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Understanding the Respiratory System

Understanding the Respiratory System

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary reason our bodies need to breathe air?

To cool down the body

To utilize oxygen for aerobic metabolism

To maintain body temperature

To produce carbon dioxide

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which muscle is primarily responsible for changing the volume of the chest during breathing?

Stomach

Heart

Liver

Diaphragm

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do gases move between areas of different pressure?

They do not move

From high pressure to low pressure

They move randomly

From low pressure to high pressure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do the mouth and nose play in the respiratory system?

They store carbon dioxide

They produce oxygen

They act as air-treatment centers

They filter blood

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function of the trachea in the respiratory system?

To store oxygen

To filter blood

To transport air to the bronchi

To produce mucus

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of alveoli in the lungs?

To facilitate gas exchange

To produce mucus

To store oxygen

To filter blood

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do oxygen molecules cross the alveolar membrane?

By active transport

By diffusion

By osmosis

By filtration

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