Exam 9: The Muscular System

Chemicals are released at the neuromuscular junction that stimulates the muscle to contract.

Shivering helps a person with hypothermia because muscle contractions produce heat.

Explain the cause of myasthenia gravis.

Which of the following does not happen when a muscle contracts?

Both smooth muscles and cardiac muscles have striations.

A muscle can be a prime mover or an antagonist,depending on the movement of the joint.

MATCHING Match each term with its corresponding definition or description. -another name for smooth muscle

In an isotonic contraction,the origin point moves toward the insertion point.

Duchenne muscular dystrophy is caused by the body's inability to make the protein dystrophin.

Both cardiac muscle and skeletal muscles have intercalated disks.

Give an example of a sport or activity that benefits from strength exercise.Explain your answer.

In the bending of the elbow,the

Strength training causes

Match each term with its corresponding definition or description. -turning the hand so the palm is facing anteriorly

Damage to a ligament results in which type of injury?

Another name for a voluntary muscle is _____ muscle.

Explain the roles of the prime mover,the synergist,and the antagonist in muscle contraction.

The origin of a muscle is the

Match each term with its corresponding definition or description. -movement that makes the angle between two bones at their joint larger

ATP is produced by muscle contraction.