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Respiratory and Circulatory System

Authored by Cindy Armstrong

Science

4th Grade

Used 21+ times

Respiratory and Circulatory System
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18 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________is a dome-shaped muscle that helps you to breathe.

vein

diaphragm

lungs

capillary

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

An ______is a blood vessel that carries blood away from the heart to capillaries.

lungs

vein

artery

heart

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Organs that work together to take air into the body and push it back out make up the _____________________.

vein

heart

circulatory system

respiratory system

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A ______carries blood with little oxygen back to the heart.

heart

vein

lungs

artery

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _______is a tiny blood vessel that connects arteries and veins.

capillary

diaphragm

heart

lungs

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ________________transports oxygen, nutrients, water, and wastes.

digestive system

respiratory system

circulatory system

muscular system

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The ______is a muscular pump that pushes the blood through the blood vessels.

artery

heart

lungs

vein

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