Muscles Minibook
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Muscles: Voluntary & Involuntary
There are two classes of muscles: Voluntary, which there are about 500 in the body. These are attached to bones, and are called voluntary because they are under the power of our will. These are the muscles we use to climb, run, and play. We can think about moving them, and they move. Involuntary, which we cannot command, but are always functioning. These are the muscles that perform the vital processes of life, such as pumping blood and digesting food. Some of them are otherwise called organs.
There are two classes of muscles: Voluntary, which there are about 500 in the body. These are attached to bones, and are called voluntary because they are under the power of our will. These are the muscles we use to climb, run, and play. We can think about moving them, and they move. Involuntary, which we cannot command, but are always functioning. These are the muscles that perform the vital processes of life, such as pumping blood and digesting food. Some of them are otherwise called organs.
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