Human heart

The human heart is an organ. What does it do?

• Carry oxygen around the body

• Gives nutrients to every part of the body

• Removes waste in many ways

• All of the above

How big is your heart?

• As big as an elephant

• The size of an ant

• As big as your fist

• As samll as a rice grain

The heart has ___ chambers

Name the chambers in the heart

• Right artia, left atria, left ventricle, right ventricle ; Extra: Aorta

• Right atria

• Left ventricle, right ventricle

• Aorta

What do the lungs add to the blood?

• Oxygen

• Blood

• Hydrogen

• Carbon dioxide

• Helium

What are capillaries?

• They are the caps put on the heart

• They are substitude hearts

• They are very small blood vessels

• They are energy for the heart

Choose the correct words to fit this sentence:

________ is the thumping sound we can feel and hear when we are_________ and tired.

• Heart, Happy

• Heartbeat, sad

• Heartbeat, Exhausted

• All of the above

Which sentences are false?

• The heart pumps blood around the body

• The heart will stop beating when we sleep

• The blood will go slowly when we are resting

• The blood is not in red color when it is de-oxygenated

How is the blood flow controlled?

Hint: This question is not needed and can be answered with any answer.

• By the brain

• By the heart itself

• The veins

• All of the above

Why is it important to have our heart? Explain your answer.