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Body Fluids and Circulations
Question
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Which of the following factor(s) increase blood pressure?

  • Increase of cardiac output

  • Constriction of blood vessel

  • Activation of parasympathetic nerve

  • Increase of blood volume

Answer

A.

Increase of cardiac output

B.

Constriction of blood vessel

D.

Increase of blood volume

Blood pressure is the pressure exerted by circulating blood upon the walls of blood vessels. High blood pressure (hypertension) is dangerous because it makes the heart work harder to pump blood to the body. It contributes to the increase in total cardiac output, constriction or hardening of arteries (blood vessel), increase in the blood volume, etc.

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Some More Questions From Body Fluids and Circulations Chapter

Write the differences between

Systole and diastole

Write the differences between

(a) Blood and lymph

Write the differences between

Open and closed circulatory system

What is the differences between lymph and Blood?

How many times does a heart beat per minute?

What is the function of bicuspid valves?

What is the function of tricuspid valves?

Why circulatory system is absent in sponges?

What does the QRS wave represent in an ECG?

Name a animal having open circulatory system.