Cardiovascular System Worksheet
A Grade 11 Science worksheet covering the structure and function of the human cardiovascular system, including the heart, blood vessels, and blood components.
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Cardiovascular System Worksheet
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Read each question carefully and answer to the best of your ability. Use the provided diagram for reference where indicated.
1. Which component of blood is primarily responsible for oxygen transport?
Platelets
White blood cells
Red blood cells
Plasma
2. Which blood vessel carries oxygenated blood away from the heart to the rest of the body?
Pulmonary artery
Vena cava
Aorta
Pulmonary vein
3. The heart is a muscular organ located in the cavity.
4. The rhythmic contraction and relaxation of the heart is called the .
5. Briefly describe the function of the four chambers of the human heart.
6. Refer to the diagram of the human heart below. Label the following parts: right atrium, left ventricle, aorta, and pulmonary artery.
7. Arteries always carry oxygenated blood, and veins always carry deoxygenated blood.
True
False
8. The circulatory system is a closed system, meaning blood never leaves the blood vessels.
True
False
Match the term on the left with its correct definition on the right.
9. Capillaries
a. Carry blood towards the heart
10. Veins
b. Smallest blood vessels, site of exchange
11. Arteries
c. Carry blood away from the heart
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