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Which of the following act as a channel of transmission of blood to the heart in the human body?

  By GK Planet Team      
Q. Which of the following act as a channel of transmission of blood to the heart in the human body?
  1. Arteries
  2. Muscle fibres
  3. Nerves
  4. Veins
Answer: Veins

Veins

Any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood towards the heart.

  • The heart is an organ found in every vertebrate. It is a very strong muscle. It is on the left side of the body in humans and is about the size of a fist. It pumps blood throughout the body. It has regular contractions, or when the heart squeezes the blood out into other parts of the body.
  • The human heart has four chambers or closed spaces. Some animals have only two or three chambers.
  • Blood is carried in blood vessels. These are arteries and veins. Blood going to the heart is carried in veins. Blood going away from the heart is carried in arteries. The main artery going out of the right ventricle is the pulmonary artery. (Pulmonary means about lungs.) The main artery going out of the left ventricle is the aorta.
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