Question

Match the following. Match the items in the left column to the items in the right column.

1. exercise
2. lactic acid
3. muscle fibers
activities that improve the health of
the heart, lungs, muscles, and joints of a
person
a by-product produced in the
muscles during exercise
the cells that make up a muscle
small sections in a muscle cell that
move when a muscle is being used
how far in any direction a part of
the body is able to move
4. muscle myofibrils
5. range of motion

Answer 1

1. exercise: activities that improve the health of the heart, lungs, muscles, and joints of a person.

2. lactic acid: a substance that builds up in the muscles during intense exercise and can cause fatigue and muscle soreness.

3. muscle fibers: the cells that make up a muscle and are responsible for its contraction and movement.

4. muscle myofibrils: small sections in a muscle cell that move when a muscle is being used, allowing for contraction and movement.

5. range of motion: how far in any direction a part of the body is able to move, which can be influenced by factors such as flexibility, strength, and joint mobility.

Step-by-step explanation:

Answer 2

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