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Circulatory System & Respiratory System

Authored by Carrie Collier

Science

7th Grade

NGSS covered

Used 83+ times

Circulatory System & Respiratory System
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43 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Platelets

protect the liver

fight infection

stop bleeding and help wounds heal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Arteries

flexible, carry blood to the heart

not flexible, carry blood away from the heart

flexible, carry blood away from the heart

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Red Blood Cells

carry oxygen

carry carbon dioxide

carry proteins

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main function of the circulatory system is 

To give the body structure and support
Excrete waste
transport blood, nutrients, and gases throughout the body
to transport messages from the body to the brain

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The main function of the red blood cells is to 

allow gases to exchange
fight infection
give blood its color
help clot blood

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

White blood cells

allow for gases to exchange
give blood its color
fight infection and disease
help clot blood

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing _________ ___________ and other wastes.

hydrogen dioxide
carbon moxoide
water molecules
carbon dioxide

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