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Respiratory System Quiz

Authored by Lindsay Kenn

Biology

8th Grade

Respiratory System Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of breathing?

To transport oxygen to the body's cells

To transport water vapor to the body's cells

To transport carbon dioxide to the body's cells

To transport nitrogen to the body's cells

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which system controls the unconscious function of breathing?

Respiratory system

Endocrine system

Autonomic nervous system

Nervous system

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the diaphragm and intercostal muscles when the body prepares to take in oxygen-rich air?

Both diaphragm and intercostal muscles flatten

Both diaphragm and intercostal muscles contract

Diaphragm flattens and intercostal muscles contract

Diaphragm contracts and intercostal muscles flatten

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of alveoli in the lungs?

To produce mucus for the respiratory system

To exchange oxygen and carbon dioxide with the blood

To transport carbon dioxide to the body's cells

To transport oxygen to the body's cells

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of hemoglobin in the respiratory system?

To transport nitrogen in the blood

To transport water in the blood

To transport carbon dioxide in the blood

To transport oxygen in the blood

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the process by which oxygen and carbon dioxide are exchanged in the lungs?

Filtration

Diffusion

Active transport

Osmosis

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is carbon dioxide expelled from the body?

Through exhalation from the lungs

Through the urinary system

Through the digestive system

Through the skin

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