Question

Describe double circulation in human being why is it necessary brainly

Answer 1

Answer:

During a single cycle blood goes twice in the heart which is known as double circulation. It is necessary in human being to separate oxygenated and de-oxygenated blood because this makes their circulatory system is more efficient and helps in maintaining constant body temperature.

Answer 2

Double Circulation in Human

Explanation:

• Double Circulatory System. It is known as a double circulatory system since blood goes through the heart twice per circuit
• The correct pump sends deoxygenated blood to the lungs where it becomes oxygenated and returns back to the heart
• The left pump sends the recently oxygenated blood around the body
• The heart is the center of circulatory system. It is described as a double pump
• The blood is each side of the heart is kept separate so oxygenated and deoxygenated blood do not mix