What is Heart?
- The heart is a muscular organ. Its main function is to pump the
- The shape of the heart is slightly conical and is found to be slightly tilted to the left
- The average weight of an adult human heart is between 250 – 350 grams.
- The average size of the human heart is that of one’s Closed Fist.
What is the Internal structure of the heart?
The heart has many different internal structures which makes it a highly efficient organ, some of which are:
(i) Septum
The right side of the heart is separated from the left side with a muscular wall called the septum. Septum prevents the mixing of oxygenated and deoxygenated blood.
Septum
- Four chambers of the heart
There are four chambers of the heart: right atrium, right ventricle, left atrium, and left ventricle.
● Right atrium
The right atrium is the Receiving chamber for the deoxygenated blood.
● Right ventricle
The right ventricle is the Distribution chamber for deoxygenated blood.
● Left atrium
The left atrium is the Receiving chamber for the oxygenated blood.
● Left ventricle
The left ventricle is the Distribution chamber for oxygenated blood.
