Based on the picture, parts of heart that shown by number 2 and 3 orderly are ....

• right atrium and left ventricle

• right ventricle and left atrium

• left atrium and right ventricle

• left ventricle and right atrium

Based on the picture, vena cava and aorta shown by number ....

• 2 and 6

• 2 and 7

• 4 and 6

• 4 and 7

Based on the picture, the chamber in heart that has function to receives deoxygenated blood is ....

• right atrium

• left atrium

• right ventricle

• left ventricle

Our circulatory system is made up our heart, our blood vessels and the blood.

• True

• False

Our heart is the vital organ that pumps blood vessels to all parts of our body.

• True

• False

Our heart is made up of heart muscles which allow it to pump blood to all parts of our body continuously.

• True

• False

Blood flows through blood vessels to get to different part of our body.

• True

• False

Our heart pumps the blood rich in oxygen to the lungs. Our blood also transport digested food and water to all part of our body.

• True

• False

When blood back to our heart, blood passes on waste substances to same organs. These waste substances are eventually passed out from our body. When blood reaches our heart again, it is sent to the lungs where carbon dioxide is removed and water is taken in.

• True

• False

A heartbeat is a cycle of contraction and relaxation of our heart muscles.

• True

• False