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Biology Chapter 7.5
| Question | Answer |
|---|---|
| Muscles that are generally under conscious control. | voluntary muscle |
| Muscles that are not under completely conscious, voluntary control. | involuntary muscle |
| Individual cells that each skeletal muscle is composed of thousands or millions of. | muscle fibers |
| The contraction filaments inside skeletal muscle cells that are arranged in rows that give skeletal muscle tissue a striped appearance when viewed under a microscope. | striated muscle |
| Involuntary muscle that is found only in the heart. | cardiac muscle |
| What are the three types of muscle tissue? Which type is voluntary? | The three types of muscle tissue are: skeletal muscle, smooth muscle, and cardiac muscle. Because skeletal muscles are generally under conscious control, they are also known as voluntary muscles. |
| How is the design of smooth muscle different from that of striated muscle? 1/2 | Smooth muscle is designed quite differently from striated muscle. Whereas striated muscles consist of long, parallel fibers, smooth muscles consists of shorter, wider cells in a looser arrangement. |
| How is the design of smooth muscle different from that of striated muscle? 2/2 | Striated muscles are designed to contract and relax very quickly, but smooth muscle is specialized for relatively slow, powerful, and prolonged contractions. |
Created by:
karinamegan
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