Intro to Muscular System

There are more than ___ muscles in the human body.

Muscle tissue is elastic like a rubber band. Each muscle is made up of thousands (or tens of thousands) of individual cells or _______.

Tendons are supportive structures that attach a _____ to a ______.

• muscle

• skin

• bone

• ligament

Which type of muscle is voluntarily controlled?

• Skeletal muscle

• Cardiac muscle

• Smooth muscle

• All of the above

What is the characteristic of muscle tissue that allows it to respond to a stimulus?

• Contractility

• Elasticity

• Excitability

• Extensibility

Which type of muscle is found in the walls of internal organs?

• None of the above

• Smooth muscle

• Cardiac muscle

• Skeletal muscle

What is the role of ATP in muscle contractions?

• Regulates body temperature

• Transmits nerve impulses to muscle fibers

• Allows muscles to slide and prevent bursting

• Provides energy for muscle contractions

How are muscles attached to bones?

• By cartilage

• By joints

• By tendons

• By ligaments

Which muscle is the main agonist responsible for contracting during an action?

• All of the above

• Prime Mover

• Synergist

• Antagonist

Which of the following is NOT a major task of the muscular system?

• movement for the body

• heat production for the body

• maintaining posture

• making red blood cells