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?

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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