The Muscular System

These muscles are found in internal organs.

• Skeletal

• Muscular

• Smooth

• Cardiac

These muscles are connected to the bone.

• Smooth

• Skeletal

• Cardiac

Cardiac muscles are?

• Voluntary

• Involuntary

What are the functions of the muscles?

• hold the body erect

• helps generate body heat

• helps blood move through the veins and food through the digestive system

• all are functions of the muscles.

What muscle makes up the heart?

• involuntary muscle

• smooth muscle

• cardiac muscle

• voluntary muscle

Supination

• turns the palm up or forward

• turns the palm down or backwards

• raising of a body part

• lowering of a body part

Extension

• the straightening of a joint

• the bending of a joint

• supination

• pronation

The bending of a joint

• extension

• flexion

• supination

• pronation

Movement away from the body

• extension

• flexion

• adduction

• abduction

Match the following

• the area in the muscle cells that actually shorten the muscle fiber

• sarcomeres

• the electrical activity created by the stimulus

• action potential

• the neurotransmitter that causes contraction by generating an action potential

• acetylcholine