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Double circulation - Class 10
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1. What is double circulation?
Ans. Double circulation refers to the process of blood flow in two separate circuits in the human body. It includes the systemic circulation and the pulmonary circulation.
2. What is systemic circulation?
Ans. Systemic circulation is the circulation of blood between the heart and the rest of the body. It carries oxygenated blood from the heart to the body tissues and returns deoxygenated blood back to the heart.
3. What is pulmonary circulation?
Ans. Pulmonary circulation is the circulation of blood between the heart and the lungs. It carries deoxygenated blood from the heart to the lungs, where oxygen is loaded, and then returns oxygenated blood back to the heart.
4. Why is double circulation necessary?
Ans. Double circulation is necessary because it ensures efficient oxygenation of blood. In the pulmonary circuit, blood is oxygenated in the lungs, while in the systemic circuit, oxygenated blood is distributed to body tissues. This separation allows for a higher oxygen supply to body tissues.
5. How does double circulation differ from single circulation?
Ans. Double circulation differs from single circulation in that it involves two separate circuits of blood flow, while single circulation only has one circuit. Double circulation allows for efficient oxygenation and distribution of blood, while single circulation is less efficient in delivering oxygen to body tissues.
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