Select all that apply.
voluntary muscles include
[ ]arm and leg muscles
[ ]heart and stomach muscles
[ ]cardiac muscle
[ ]striated or skeletal muscle

Voluntary muscles are those muscles which are and can be consciously controlled.

These includes biceps, triceps which are the muscles that are present in arms.

The leg muscles are also voluntary muscles, with addition to this the striated or skeletal muscles are also classified as voluntary muscles.

It is seen that most of the skeletal muscles are attached to bones by bundles of collagen fibers known as tendons are controlled voluntarily.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

i think its 100.

hope this !