Question

write the name of the parts of the heart​

Answer 1

Answer:

The heart is made up of four chambers: two upper chambers known as the left atrium and right atrium and two lower chambers called the left and right ventricles. It is also made up of four valves: the tricuspid, pulmonary, mitral and aortic valves.

Explanation:

Answer 2

Answer:

• Heart is the central part of  circulatory system.
• It supplies oxygen,nutrients and pumps blood throughout the body.
• Heart is located between the lungs, in a rib cage in thoracic cavity .
• It has four chamber.
• It regulate normal flow of blood in the body.
• The upper portion of heart has two chamber knowns as atria.
• The lower two chambers are called as ventricles.
• Septa /septum are the muscular walls divided the heart into two sides.
• At the right side of heart that is artrium and ventricle pump deoxygenated blood to lungs.
• Left side of heart ,i.e ventricle and artrium pump oxygenated blood to the body.

• Heart valves : It has four valves ,

1. Pulmonary valve
2. Tricuspid valve
3. Mitral valve
4. Aortic valve.

• The chambers of the heart are attached major viens.
• There are two major viens :

1. superior venacava
2. inferior venacava

• Arota is the largest artery.
• The walls of heart consist of three layer :

1. Endocardium
2. myocardium
3. Epicardium