Components of Blood Worksheet
A Grade 9 Science worksheet focusing on the components of blood, their functions, and related processes.
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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 space for your responses.
1. Which component of blood is primarily responsible for oxygen transport?
White blood cells
Plasma
Red blood cells
Platelets
2. Which of the following is NOT a function of plasma?
Transporting nutrients
Fighting infections
Maintaining blood pressure
Removing waste products
3. The process of blood clotting is primarily carried out by .
4. White blood cells are also known as and are crucial for the immune system.
5. Describe the main function of hemoglobin in red blood cells.
6. All types of white blood cells have the same function in the body.
True
False
7. Plasma makes up the largest percentage of blood volume.
True
False
8. Identify the labeled components of blood in the diagram below.

A:
B:
C:
D:
Match the blood component with its primary function.
9. Red Blood Cells
a. Immunity
10. White Blood Cells
b. Blood clotting
11. Platelets
c. Oxygen transport
12. Plasma
d. Transport of nutrients and waste