To draw: The brain, label the lobes and write their primary functions. Introduction: Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

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Answer 1

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.

With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

Answer 2

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Answer 3

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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Answer 4

Question

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

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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 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

Answer 6

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.

Conclusion

The four lobes of the brain perform different important functions of the body and helps the body to respond to the stimulus appropriately.

Answer 7

Chapter 34.6, Problem 18SAQ

Summary Introduction

To draw: The brain, label the lobes and write their primary functions.

Introduction:

Brain is the most complex organ of all. Its functioning is as complex as is its structure. According to their functions and positions the different regions of the brain have been divided into four lobes, namely: frontal, parietal, temporal and occipital.

Answer 8

Expert Solution & Answer

Explanation of Solution

Pictorial representation:

BIOLOGY:HOW LIFE WORKS (LL)-PACKAGE , Chapter 34.6, Problem 18SAQ

Fig. 1: The four lobes of the brain.

The four lobes of the brain are:

(1) Frontal lobe: This lobe is the most anterior of all the lobes in the cerebral cortex just behind the forehead. Its primary function is to do planning and decision making.

(2) Parietal lobe: It is posterior to the frontal lobe, with central sulcus separating these two lobes. This helps in performing complex tasks like dressing up and it also controls the body’s awareness.

(3) Temporal lobe: It is present inferior to the parietal lobe. It helps in the processing of sound, aids recognition, naming, reading and language.

(4) Occipital lobe: It is the posterior most lobe in the brain and lies below and behind the parietal lobe. Its main function is the processing of visual stimuli.