Parts of Blood Worksheet
A Grade 4 science worksheet focusing on the different components of blood and their functions.
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Parts of Blood
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Read each question carefully and answer to the best of your ability.
Look at the diagram of blood cells below and answer the questions.
1. Which part of the blood helps fight off germs and diseases?
Red blood cells
White blood cells
Platelets
Plasma
2. What gives red blood cells their color?
Water
Hemoglobin
Sugar
Fat
1. The liquid part of blood is called .
2. are tiny pieces of cells that help stop bleeding.
3. Red blood cells carry to all parts of the body.
1. Platelets help your blood clot when you get a cut.
True
False
2. White blood cells are responsible for carrying oxygen.
True
False
1. Briefly describe the main job of red blood cells.
2. What would happen if your blood did not have enough platelets?
Use the words below to complete the sentences.
1. are the smallest parts of blood and help stop bleeding.
2. The yellowish liquid part of blood is called .
3. Your body needs for energy, and red blood cells carry it.
4. Your body defends against sickness with .