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Jame Wong
muscular system
| Question | Answer |
|---|---|
| What is muscle fatigue? | The decline in ability of a muscle to generate force, often due to prolonged activity. |
| What is the difference between fast-twitch and slow-twitch muscle fibers? | Fast-twitch fibers are for quick, powerful movements; slow-twitch fibers are for endurance. |
| What is an example of an involuntary muscle? | The heart a cardiac muscle or muscles in the digestive tract smooth muscle. |
| What is the role of the neuromuscular junction? | To transmit nerve impulses to muscle fibers, causing contraction. |
| What is muscle atrophy? | The decrease in muscle mass due to inactivity or disease. |
| What is muscle hypertrophy? | The increase in muscle size due to exercise. |
| What is the sliding filament theory? | The explanation of how muscles contract by sliding actin over myosin filaments. |
| What proteins are involved in muscle contraction? | Actin and Myosin. |
| What is the basic unit of a muscle called? | Sarcomere. |
| What is a muscle fiber? | A single muscle cell, known for its long, cylindrical shape. |
| What connects muscles to bones? | Tendons. |
| What is the role of smooth muscle? | To control involuntary movements in organs like the intestines and blood vessels. |
| Where is cardiac muscle found? | In the walls of the heart. |
| What is the primary function of skeletal muscles? | To facilitate movement by contracting and pulling on bones. |
| To facilitate movement by contracting and pulling on bones | Skeletal, Cardiac, and Smooth. |
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jamewong415
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