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Circulatory System

Authored by Tara Hoogewoonink

Science

8th Grade

Used 313+ times

Circulatory System
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14 questions

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1.

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The job of the heart is to . . .

pump blood around the body.

send food to the small intestines.

break down food.

give energy to the body.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State one reason why blood at location B contains more oxygen than blood at location A.

because blood at location A goes to the lungs

because blood at location A comes from the lungs

because blood at location B comes from the lungs

because blood at location B goes to the lungs

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What is the responding variable in this experiment?

Trial number

type of exercise

average heart rate

average heart rate before and after exercise

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

State the general relationship between exercise and heart rate in humans.

If a person exercises, then their heart rate will not change

If a person exercises, then their heart rate will increase

If a person exercises, then their heart rate will decrease

Person exercising and heart rate are not related

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The Blood Vessels where the exchange of Oxygen and CO2 (carbon dioxide) takes place are the_______.

Arteries
Veins
Capillaries

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

How does the heart work?

It pumps blood first to the lungs, back to the heart and then around the rest of the body.

It pumps blood first to the rest of the body, back to the lungs and then to the heart.

It pumps blood around the rest of the body, back to the heart and then to the lungs,

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