5. Bone growth is stimulated by physical stress brought about b
physical activity. As skeletal muscles contract, they pull their
attachment on bones causing physical stress.
A. Muscle Strengthening
B. Bone Strengthening
C. Aerobics
D. All of the above
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Answer:
B. BONE STRENGTHENING
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(B) Bone strengthening defines bone growth is stimulated by physical stress brought about by physical activity. As skeletal muscles contract, they pull their attachment on bones causing physical stress.
Explanation:
- Bone strengthening will makes the bones stronger and thicker, it will also stimulates bone tissues.
- In our skeletal system, this activity can increase bone density and it is known as bone hypertrophy.
- In aerobic activity, it will deliver oxygen to the muscles and it does not help for bone growth.
- Muscle strengthening activity will make muscle contraction and muscle fibers will be damaged.
- Bone strengthening activities that makes our bone fit are playing basketball, skipping and running.
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