Components of Blood Worksheet
A Grade 7 science worksheet covering the components of blood, their functions, and related concepts.
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Components of Blood
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Read each question carefully and answer to the best of your ability.
1. Which component of blood is primarily responsible for transporting oxygen?
White blood cells
Red blood cells
Platelets
Plasma
2. Which component of blood helps to clot blood when you get a cut?
Red blood cells
White blood cells
Platelets
Plasma
3. The liquid part of blood, called , is mostly made of water.
4. blood cells are part of the immune system and fight off infections.
5. Platelets are responsible for carrying oxygen throughout the body.
True
False
6. Red blood cells give blood its red color.
True
False
7. Name the four main components of blood.
8. Briefly explain the function of plasma.
9. Identify the components of blood shown in the diagram below.
A.
B.
C.
D.