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Grade 4 Human Respiration and Circulation

Authored by Sumaya Noorgat

English

4th Grade

Grade 4 Human Respiration and Circulation
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Your breathing becomes slower when you start running.

T

F

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The alveoli in the lungs exchange oxygen and carbon dioxide with the blood.

T

F

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arteries carry blood away from the heart.

T

F

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The diaphragm is responsible for trapping dust and dirt from the air.

T

F

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Respiration is usually a voluntary process that you have to think about constantly.

T

F

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the body measures the number of heartbeats per minute?

Lungs

Pulse

Diaphragm

Voice box

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of red blood cells?

Fight infections

Carry oxygen

Produce mucus

Trap dust

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