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Respiratory and Circulatory Systems

Respiratory and Circulatory Systems

Assessment

Presentation

Science

4th Grade

Practice Problem

Medium

Created by

Lerissa Govender

Used 329+ times

FREE Resource

5 Slides • 6 Questions

1

Respiratory and Circulatory Systems

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2

The Respiratory System

is a system in the body that deals with breathing. When we breathe we take in oxygen that we need and removes carbon dioxide that we don't need.

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3

The Respiratory System

Air enters the body through your mouth or nose. It then travels down your trachea (windpipe) which divides into two tubes called bronchi. These tubes carry air into each lung. The diaphragm is a muscle that controls breathing. This muscle becomes flat to let air into the lungs, and relaxes to push air out of the lungs.

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4

Multiple Choice

When we ______ air enters the body through the nose and mouth.

1

exhale

2

inhale

5

Multiple Choice

The ______ allows air to travel toward the lungs.

1

trachea

2

arteries

6

Multiple Choice

The ______ is a muscle that controls breathing

1

diagram

2

diaphragm

7

The Circulatory System

Blood carries things like oxygen and nutrients to each cell in the body. The heart pumps blood through the body through a system of tubes called blood vessels.

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8

The Circulatory System

Arteries are a type of blood vessel that carries oxygen-rich blood away from the heart. Veins are another type of blood vessel which carries oxygen-poor blood back to the heart.

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9

Multiple Choice

What pumps blood through the body?

1

blood vessels

2

heart

10

Multiple Choice

Blood vessels that carry blood away from the heart are called:

1

veins

2

arteries

11

Multiple Choice

Blood vessels that carry oxygen-poor blood back to the heart are called:

1

veins

2

arteries

Respiratory and Circulatory Systems

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