Circulatory System

Practice Questions

High School Biology › Circulatory System

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1

Given that the walls of the heart are not uniform, which of the walls would one expect to be thicker or thinner?

2

Where is the mitral valve, and what is its function?

3

What average volume of lymphatic fluid passes back into venous circulation each day?

4

Given that the walls of the heart are not uniform, which of the walls would one expect to be thicker or thinner?

5

Where is the mitral valve, and what is its function?

6

What average volume of lymphatic fluid passes back into venous circulation each day?

7

In an average adult, the blood volume is around five liters. Although the left and right ventricles have chamber volumes of around 100 milliliters, the amount emptied during each heartbeat is only 70% of ventricular volume. If the heart beats at 70 beats per minute, which of the following is true?

8

In an average adult, the blood volume is around five liters. Although the left and right ventricles have chamber volumes of around 100 milliliters, the amount emptied during each heartbeat is only 70% of ventricular volume. If the heart beats at 70 beats per minute, which of the following is true?

9

Which of the following components of the circulatory system contain valves?

10

Which of the following statements is true about arteries and veins?

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