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High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Muscular System (Fill in the blank)
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High School Biology: Introduction to the Human Body - Bones, Muscles, and Skin - The Muscular System (Fill in the blank)
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8 Questions

1. When cardiac muscle produces energy, this helps the heart resist ___________________.

2. Within a sarcomere, myosin filaments overlap the ________________ filaments.

3. Each muscle fiber contains hundreds of organelles called _________________.

4. In exercises such as weight lifting, skeletal muscle contracts against a __________________ force.

5. Skeletal muscles are attached to the skeleton by tough connective tissues called __________________.

6. In exercises such as running, the cardiac muscle contracts ___________________ and the heart pumps more blood.

7. Many skeletal muscles are attached to the ends of bones that meet at a __________________.

8. Contractions of cardiac muscle are involuntary like those of __________________ muscle.