Question

1. Write about human heart in brief. ​

Answer 1

Heart :

Human heart consists of 4 chambers. Heart pumps the blood and circulate to the whole body.

• Heart is known as the pumping organ.
• Humans heart has four chambers.
• Four chambers of heart are :- Left atrium, right ventricle, left ventricle, and right atrium.
• It circulates the blood to the whole body.
• Heart has arteries, veins, vena cava, etc.
• It seperate the oxygenated blood in the body.
• It had four chambers which has different functions.

Answer 2

Human heart :

Human heart consists of 4 chambers. It is also known as pumping organ of the body because it pumps blood and circulate to the whole body.

• Heart have four chambers : left atrium, right atrium, left ventricle and right ventricle.
• Blood flows in the chambers of heart.
• Right ventricle pumps the blood.
• It is a muscular organ about the size of the fist.
• A normal heart rate for adults is 60 to 100 beats per minute.
• Heart maintains blood pressure.
• It have four valves : the tricuspid, pulmonary, mitral and aortic valves.
• Heart is located in the middle of chest.
• Your heart pumps 2,000 gallons of blood a day.