Determine whether the statement is trule or false, and why. “Muscles only work to produce movement by pulling, they cannot push." A. False, it should read "Muscles only work to produce movement by pushing, they cannot pull."
B. False, it should read "A muscle works to produce movement by pushing and pulling."
C. False, it should read "Muscles only work to produce movement by contracting, they cannot push or pull."
D. True

It should be noted that muscles only work to produce movement through pulling, muscles cannot push. Therefore, the statement is true.

Muscles allow people to move by pulling in the joints. Muscles are required to breathe, exercise and stay healthy.

There are three main form of muscles in the human body and they're:

• Skeletal muscles: The muscles give the body its shape as they help in holding the skeleton together.

• Smooth muscle: They're also called the involuntary muscle. They consist of fibers and are controlled by the nervous system. They help in maintaining blood pressure.

• Cardiac muscle: This is the muscle that's found in the heart. It helps in ensuring that the heart function well.

In conclusion, muscles only work to produce movement by pulling, they cannot push.

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•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: