Muscle Contractile Unit

In the average person, around _____ % of your body weight comes from muscles.

In a muscle cell, which organelle is responsible for providing energy?

Select all of the purposes of the muscular system

Which of the following uses voluntary muscles?

Muscles that you have no control over are called ___________ muscles.

Voluntary muscles are attached to

What are the three types of muscle tissues?

This muscle is found in the heart and never gets tired.

What kind of muscle is found in the stomach wall?

__________ connect muscles to bones

Decreasing the joint angle, such as pulling your hand up to your shoulder, is known as

Increasing the angle of the joint such as pointing your toes is known as

Pushing a joint past the point that it is supposed to go is known as

About how many muscles do you have in your body?

Contractile unit of a muscle.

Thick filaments are in a myofibril are

Thin filaments in a myofibril are

The energy needed to perform a muscle contraction comes directly from