To search: The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses. Concept introduction: Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

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Answer 1

Question

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Expert Solution & Answer

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Answer 2

Question

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 3

Question

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Answer 4

Question

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Expert Solution & Answer

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Check out a sample textbook solution

See solution

Answer 5

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Answer 6

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Answer 7

Chapter 31, Problem 15WIO

Summary Introduction

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Answer 8

Expert Solution & Answer

Answer 9

Expert Solution & Answer

Answer 10

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Answer 11

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...

To search: The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses. Concept introduction: Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

Solution Summary: The author explains that yawning increases oxygen in the blood by expanding the lungs and stretching the muscles and hence increases brain activity.

Concept explainers

To search:

The Internet for hypothesis about why humans and other animals yawn; then design an experiment to test one of the hypotheses.

Concept introduction:

Yawning is also a type of non-respiratory air movement. When one yawns, he/she takes in a deep breath of air.

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Chapter 31 Solutions