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12L3 Respiratory System Gas Transport

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Why does the body need Oxygen?

a)

to stay hydrated

b)

to make glucose in photosynthesis

c)

to stay awake in class

d)

to make ATP energy in cellular respiration

2.

Which of the following is the correct order of O2 movement?

a)

heart --> lungs --> mouth --> body cells

b)

mouth --> heart --> body cells --> lungs

c)

mouth --> lungs --> heart --> body cells

d)

lungs --> heart --> body cells --> mouth

3.

What is a waste product of cellular respiration?

a)

ATP

b)

O2

c)

CO2

d)

Glucose

4.

Which two systems work together to bring O2 into the body and CO2 out of the body?

a)

circulatory and digestive

b)

respiratory and circulatory

c)

digestive and integumentary

d)

respiratory and integumentary

5.

Where does Oxygen go after it enters the lungs?

a)

it moves to the mouth through exhalation

b)

it stays in the lungs

c)

it moves to the bloodstream through diffusion

d)

it moves to the body cells through diffusion

6.

Without the respiratory system, body cells would not receive Oxygen from the air. How would an organism make energy in the cells?

a)

cells would make lungs to get O2 to make ATP

b)

cells would not change, they can still get O2 from the bloodstream

c)

cells would not make energy without O2

d)

cells would do anaerobic respiration to make ATP without O2

7.

Where does Oxygen go after it enters the lungs?

a)

it moves to the mouth through exhalation

b)

it stays in the lungs

c)

it moves to the bloodstream through diffusion

d)

it moves to the body cells through diffusion

8.

Inspiration involves the movement of ___ rich air into the lungs. Expiration involves the movement of ___ rich air out of the lungs.

a)

O2, CO

b)

CO2, O2

c)

O2, CO2

d)

CO, O

9.

Where does gas exchange occur in humans?

a)

Gills

b)

Alveoli

c)

Bronchioles

d)

Trachea

10.

What system is responsible for transporting oxygen to all of the other body systems?

a)

Respiratory

b)

Circulatory

c)

Nervous

d)

Endocrine

11.

Why is surfactant an important feature in respiration?

a)

It keeps the pleural membrane lubricated.

b)

It stops the trachea from collapsing.

c)

It reduces surface tension in the alveoli.

d)

It lubricates the lungs.

12.

Oxygen and _____ is involved in cellular respiration to create CO2, water and ATP.

a)

ADP

b)

Glucose

c)

CO

d)

OH

13.

What stage of respiration is being shown?

a)

External respiration

b)

Breathing

c)

Cellular respiration

d)

Internal respiration

14.

What is NOT a requirement for respiration?

a)

Thick diffusion membranes

b)

Concentration gradient

c)

A large enough respiratory surface to satisfy body demand

d)

Moist environment

15.

Why is it dangerous to ascend from a deep sea dive quickly?

a)

Nitrogen will bubble out of our blood.

b)

The oxygen tank stops working.

c)

The pressure will give you a headache.

d)

Your body cannot undergo cellular respiration.