Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Question

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Answer 1

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

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Answer 2

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Question

Definition Definition Set of metabolic processes and reactions that produce energy from organic substances such as glucose. Cellular respiration takes place in the organism’s cells, where the chemical energy from nutrients or molecules of oxygen is converted into adenosine triphosphate (ATP). Cellular respiration that occurs in the presence of oxygen is called aerobic respiration; in the absence of oxygen, it is called anaerobic respiration.

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

Answer 6

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

Answer 7

Chapter 31, Problem 1MCQ

Summary Introduction

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Answer 8

Expert Solution & Answer

Answer to Problem 1MCQ

Correct answer:

The main purpose of breathing in human beings is to exchange gases and to support the cellular aerobic respiration taking place in mitochondria.

Therefore, option (d) is correct.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

Reason for correct statement:

Breathing is the process of exchange of gases that is inhalation of oxygen gas and exhalation of carbon dioxide. The oxygen gas taken in by the breathing process is used in the aerobic respiration that takes place in mitochondria of the cell.

Option (d) is given as “Both a and b are correct”.

As, “breathing helps in the elimination of CO2 , and also supports the cellular aerobic respiration occurring in the mitochondria” is the right answer.

Hence, option (d) is correct.

Reasons for the incorrect statements:

Option (a), is given as “To eliminate CO2 ”.

The breathing process helps in the exhalation of the carbon dioxide gas from the body. As other statements given are also correct, Hence, it is a wrong answer.

Option (b), is given as “To support aerobic respiration in mitochondria”.

Breathing process helps in the intake of oxygen in the body that helped in the aerobic respiration occurring in the mitochondria. As other statements given are also correct, Hence, it is a wrong answer.

Option (c), is given as “To keep the respiratory surface dry”.

Breathing process does not play any role in the drying of the respiratory surface. Hence, it is a wrong answer.

Hence, options (a), (b), and (c), are incorrect.

Answer 12

Conclusion

Breath in means the inhaling of the oxygen gas while breath out means the exhaling of the carbon dioxide gas.

Answer 13

Ch. 31.1 - Prob. 1MC Ch. 31.1 - Prob. 2MC Ch. 31.1 - Differentiate between aerobic cellular...Ch. 31.1 - An earthworm prefers moist soil. Why does this...Ch. 31.1 - Prob. 5MC Ch. 31.2 - Prob. 1MC Ch. 31.2 - Prob. 2MC Ch. 31.2 - Describe the relationships among the trachea,...Ch. 31.2 - Prob. 4MC Ch. 31.3 - What is the relationship between the volume of the...

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Concept explainers

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Answer to Problem 1MCQ

Explanation of Solution

Want to see more full solutions like this?

Chapter 31 Solutions

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Concept explainers

Introduction: Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.

Answer to Problem 1MCQ

Explanation of Solution

Want to see more full solutions like this?

Chapter 31 Solutions

Introduction:

Breathing is a mechanical process where the gases are exchanged between the lungs and the atmosphere. Breathing is the first step of respiration. Breathing occurs due to the changes in the pressure in the thorax or chest cavity of the body.