Unit 1- The circulatory system of humans

A pulse is as a result of pumping action of heart in your body.

• True
• False
• Not sure

The heart is responsible for circulating blood throughout the body.

• Not sure

• False

• True

A normal resting heart rate for adults ranges from 60 to 100 beats per minute.

• Not sure

• True

• False

The left ventricle pumps oxygenated blood to the lungs.

• Not sure

• False

• True

Your heartbeat rate is the same as your pulse

• True
• False

What does double circulation in humans mean?

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OFF

Answer explanation

Blood vessels run from the heart to the lungs, around the body and back to the heart!

The right atrium receives deoxygenated blood from the body.

• True

• False

• Not sure

The heart has four chambers: two atria and two ventricles.

• True

• False

• Not sure

Veins carry oxygenated blood away from the heart.

• Not sure

• False

• True

Which animals have the same circulatory system as humans?

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