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High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Muscular System
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High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Muscular System
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12 Questions

1. Smooth muscle is found in the
2. Each myofibril is made up of how many types of protein filaments?
3. Let’s say you decide to raise your hand in class. What’s the first thing your body does?
4. Actin filaments are anchored to structures called
5. How many types of muscle tissues are there?
6. Each muscle fiber is a
7. Cardiac muscle contains a great many mitochondria, which produce what for energy?
8. Skeletal muscles need a rich blood supply to provide them with
9. The strength of the muscular force is determined by
10. Skeletal muscle fibers are wrapped in
11. Skeletal muscle is attached to
12. The biceps and triceps muscles work in opposition to bend and extend