Respiration

Question 1

Name the four stages of gas exchange with a brief explanation of what happens at each stage.

Answer 1

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Question 2

Diffusion is the net movements of molecules from a region of ______ concentration to a region of _____ concentration.

Answer 2

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Question 3

Is it more challenging for water breathers or air breathers to obtain their needed oxygen?

Answer 3

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Question 4

If oxygen can diffuse into a cell and carbon dioxide can diffuse out of a cell, why do we need respiration?

Answer 4

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Question 5

A system of pipes that can bring air directly to the tissues is called ______ this is found in ________.

Answer 5

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Question 6

Why are fish gills so efficient at drawing oxygen from water? What is this called?

Answer 6

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Question 7

What prevents the trachea from collapsing?

Answer 7

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Question 8

What are the openings of the trachea system called ?

Answer 8

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Question 9

Trachea breaks down into smaller pipes called what?

Answer 9

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Question 10

What must an insect do to bring oxygen into its body? How does this process work?

Answer 10

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Question 11

Why do insects need a circulatory system?

Answer 11

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Question 12

What is the physical process of air moving into and out of the lungs called?

Answer 12

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Question 13

Breathing in is referred to as ______

and breathing out is referred to as _______

Answer 13

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Question 14

How does a birds respiration system differ from a mammals?

Answer 14

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