Muscle Structure Worksheet
Explore the basic structure and function of muscles in the human body for Grade 6 science.
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Muscle Structure Worksheet
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Read each question carefully and answer to the best of your ability.
1. What is the main function of muscles in the human body?
To digest food
To produce movement
To pump blood
To filter waste
2. Which type of muscle is responsible for voluntary movements, like lifting your arm?
Smooth muscle
Cardiac muscle
Skeletal muscle
Connective tissue
3. Muscles work by and relaxing.
4. The heart is made of muscle, which works constantly without you thinking about it.
5. muscles are found in the walls of internal organs like the stomach and intestines.
6. Briefly explain the difference between voluntary and involuntary muscles.
7. Label the parts of the muscle fiber shown below.
A:
B:
C:
8. Tendons connect muscles to bones.
True
False
9. Ligaments connect muscles to other muscles.
True
False