Exam 2

Question 1

Three types of muscle

Answer 1

1. skeletal
2. cardiac
3. smooth

Question 2

Skeletal Muscle Features

Answer 2

1. body mobility
2. attached to bones and skin
3. elongated cells called muscle fibers
4. striated
5. voluntary
6. Contract Rapidly; tire easily; powerful
7. Require nervous system stimulation

Question 3

Cardiac Muscle Features

Answer 3

• pump blood
• only in heart; bulk of heart walls
• striated
• can contract without nervous system stimulation
• involuntary

Question 4

Smooth Muscle Features

Answer 4

• in wlls of hollow organs (stomach, urinary bladder, airways)
• not striated
• can contract without nervous system stimulation
• involuntary
• slow and sustained contractions