Human heart grade 2

what is the size of heart ?

• a football

• a fist

• a watermelon

on which side is our heart located ?

• Left

• Right

• Slightly left

• Slightly right

what is function of heart ?

• to pump blood

• to give us energy

• to cool down our body

when blood is pumped from heart, how much time it takes to come back ?

• one hour

• one minute

• one day

Heart is made up of

• muscles

• bones

• cartilage

When do our heart pump blood?

• only while exercising

• only when sleeping

• all the time