Grade 8 Muscle Structure Worksheet
Anatomy worksheet focusing on the structure and function of muscles for Grade 8 science students.
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Muscle Structure Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your notes and textbook if needed.
1. Which type of muscle tissue is responsible for voluntary movements?
Cardiac muscle
Smooth muscle
Skeletal muscle
All of the above
2. What is the primary function of tendons?
Connect bones to other bones
Connect muscles to bones
Provide cushioning between joints
Produce red blood cells
3. The ability of a muscle to shorten and produce force is called .
4. Cardiac muscle is found only in the .
5. Muscles work in pairs to move bones.
6. Briefly explain the difference between voluntary and involuntary muscles.
7. Observe the diagram of a muscle fiber cross-section below and answer the questions.
a) What is the main component shown in the image?
b) What is the function of this component in muscle contraction?
8. All muscles in the human body are attached to bones.
True
False
9. Smooth muscles are responsible for pumping blood through the heart.
True
False
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