The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because P O 2 (partial pressure of oxygen) within water is very less than P O 2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

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Answer 1

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Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

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Answer 2

Question

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

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Answer 3

Question

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

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Answer 4

Question

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

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Answer 5

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

Answer 6

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

Answer 7

Chapter 45, Problem 4TYK

Summary Introduction

Introduction:

The terrestrial animals exchange gases with the help of lungs and carry out air breathing. However, in the aquatic animals, the exchange of the gases occurs in the water via gills. Water breathing is difficult than breathing in the air. This is because PO2 (partial pressure of oxygen) within water is very less than PO2 in the air, which leads to less solubility of oxygen in water. Air breathing also has some disadvantages.

Answer 8

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Answer 11

Ch. 45 - Prob. 3TYK Ch. 45 - Prob. 1TYK Ch. 45 - Prob. 4TYK Ch. 45 - Prob. 2TYK Ch. 45 - Prob. 5TYK Ch. 45 - Prob. 9TYU Ch. 45 - Prob. 10TYU Ch. 45 - Describe the ways in which an open circulatory...Ch. 45 - Prob. 11TYU Ch. 45 - Prob. 7TYU

Solution Summary: The author explains that air breathing results in high evaporation rates from the respiratory surface, which leads to less solubility of oxygen in water.

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