Question

In: Biology

What is blood pressure?Describe the process of double circulation.

The pressure exerted by the blood when it flows through the blood vessels is called blood pressure.

Solutions

Expert Solution

Blood Pressure

The pressure exerted by the blood when it flows through the blood vessels is called blood pressure.

 

There are two different variants of blood pressure; the systolic and the diastolic blood pressure.

The pressure exerted on the walls of arteries when the heart is filling with blood is called diastolic pressure. It constitutes the minimum pressure on arteries.

The normal range of diastolic blood pressure should be 60 – 80 mm Hg.

The pressure exerted on the walls of arteries when the heart is pumping the blood is called systolic pressure. It constitutes the maximum pressure applied on the arteries.

The normal range of systolic blood pressure should be 90 – 120 mm Hg.                             Double Circulation:-

In the human body, blood circulates through the heart twice.

Once it goes through the heart during pulmonary circulation and second time during systemic circulation.

Hence, circulation in human beings is called double circulation.


Blood Pressure

The pressure exerted by the blood when it flows through the blood vessels is called blood pressure.

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