EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The organ that pumps blood through the circulatory system.
A
kidney
B
esophagus
C
gall bladder
D
heart
Explanation: 

Detailed explanation-1: -Heart, a muscular organ that pumps blood throughout your body. Blood vessels, which include your arteries, veins and capillaries.

Detailed explanation-2: -Your heart pumps blood around the body all the time-about five litres (eight pints) of it-and this is called circulation. Your heart, blood and blood vessels together make up your cardiovascular system (or heart and circulatory system).

Detailed explanation-3: -It pumps the blood to your lungs to collect a fresh supply of oxygen. The left side of your heart pumps the re-oxygenated blood round your body again.

There is 1 question to complete.