Muscles and Bones Worksheet
Grade 10 Science worksheet covering the structure and function of the human skeletal and muscular systems.
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Muscles and Bones Worksheet
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Read each question carefully and answer to the best of your ability. Use the provided diagrams to help you answer the questions where indicated.
1. Which type of muscle tissue is responsible for involuntary movements like the pumping of blood?
Skeletal muscle
Smooth muscle
Cardiac muscle
Voluntary muscle
2. What is the primary function of the axial skeleton?
Movement of limbs
Protection of internal organs
Production of blood cells
Storage of minerals
3. Tendons connect to .
4. The process of bone formation is called .
5. The smallest contractile unit of a muscle is the .
6. Ligaments connect bones to other bones.
True
False
7. Red bone marrow is primarily involved in fat storage.
True
False
8. Refer to the human skeleton diagram. Name two functions of the skeletal system.
9. Based on the muscle fiber diagram, briefly explain the role of actin and myosin in muscle contraction.
Match each term on the left with its definition on the right.
10. Osteoclast
a. Bone-building cell
11. Sarcomere
b. Functional unit of muscle
12. Cartilage
c. Connective tissue at joints
13. Myofibril
d. Bone-resorbing cell
14. Describe the process of muscle contraction, starting from a nerve impulse and ending with the shortening of the muscle fiber. Include the roles of key structures and molecules involved.