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1.2 The Circulatory System

Authored by Rob Saltsman

Science

8th Grade

Used 44+ times

1.2 The Circulatory System
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8 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement best describes the circulatory system's role in gas exchange?

The circulatory system takes in oxygen during inhalation and removes CO2 during exhalation.

The circulatory system contracts to make more space in the chest during inhalation, causing oxygen to flow into the lungs.

The circulatory system receives oxygen from the alveoli and delivers that oxygen to the rest of the body.

The circulatory system brings oxygen to the alveoli, which deliver oxygen to the lungs.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which activity is a function of the circulatory system?

The circulatory system moves nutrients through the body.

The circulatory system reacts to stimuli in the environment.

The circulatory system regulates heartbeat and blood pressure.

The circulatory system removes waste gases from our body through exhalation.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which are the smallest blood vessels in the body?

arteries

capillaries

veins

arterioles

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which blood vessels move blood toward the heart?

arteries

capillaries

veins

arterioles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Use the diagram to help you answer this question. Which list is the correct order of chambers that blood flows through in the heart?

LV → LA → RV → RA

RV → RA → LV → LA

LA → LV → RA → RV

RA → RV → LA → LV

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What are the bottom chambers of the heart through which blood leaves the heart?

ventricles

atria

septum

venules

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What are the top chambers of the heart through which blood enters the heart?

ventricles

atria

septum

venules

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