Components of Blood Worksheet
A Grade 10 science worksheet covering the components, functions, and characteristics of blood.
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Components of Blood
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Read each question carefully and answer to the best of your ability. Use the provided image to help answer questions where indicated.
Observe the diagram below illustrating the components of blood.

1. Which component of blood is primarily responsible for oxygen transport?
Plasma
White blood cells
Red blood cells
Platelets
2. Which of the following is NOT a function of plasma?
Transporting nutrients
Fighting infection
Regulating body temperature
Clotting blood
3. The fluid matrix of blood is called .
4. are responsible for blood clotting.
5. The component of blood that defends the body against pathogens is .
6. Red blood cells contain a nucleus.
True
False
7. Plasma makes up the largest percentage of blood volume.
True
False
8. Describe the primary function of white blood cells in the human body.
9. Explain how the biconcave shape of red blood cells is advantageous for their function.
Match each blood component with its primary role.
10. Plasma
a. Blood clotting
11. Red Blood Cells
b. Transport of nutrients, waste, hormones
12. White Blood Cells
c. Oxygen transport
13. Platelets
d. Immune response
Use the words below to complete the sentences.
14. The protein in red blood cells that binds to oxygen is .
15. are plasma proteins that play a crucial role in blood clotting.
16. A type of white blood cell involved in specific immune responses is called .