Why human heart is called double pump? from Biology Body Fluids

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Body Fluids and Circulations

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41.

WBCs are also known as?

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42.

What is haemostasis?

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43.

Which cells secrete histamine?

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44.

What are antigens?

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45.

Name the four types of blood group.

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46.

Which blood group is considered to be the universal donor?

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47.
Why human heart is called double pump?

Human heart has 4 chambers and there is complete separation of pure and impure blood. The right ventricle pumps blood to lungs for purification and left ventricle pump spure blood to all parts of the body for the supply of oxygen and receiving C0₂. Thus the human heart acts as double pump.

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48.

Why is closed circulatory system considered to be advantageous?

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49.

Name the instrument by which heart sound during the cardiac cycle can be recorded.

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50.

In how much time cardiac cycle is completed?

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