MUSCULAR SYSTEM

How many types of muscle that have in the human body?

• three

• one

• four

• two

______ molecules supply the energy for muscle fiber contraction.

• acetecolin

• protein

• ATP

A muscle exercised strenuously for a prolonged period

may lose its ability to contract, a condition called ______

• fatigue

• laziness

• muscle strain

• sprain

human body has more than _____ individual muscles.

• 66

• 60

• 600

• 6000

there are two categories of muscles. The two categories are....

• voluntary and volunteer

• voluntary and involuntary

• involuntary and volunteer

• contract and relax

eye blinking is the example of...

• voluntary movement of muscles

• involuntary movement of muscles

chewing and swallowing are the examples of....

• voluntary movement of muscles

• involuntary movement of muscles

Which is best to describe the function of muscles?

• produce foods

• generate heat

• maintain energy

• genrate cold

_____ muscle cells are elongated, with tapering ends.

• cardiac

• smooth

• skeletal

_____ muscles provide a variety of body movements.

• cardiac

• smooth

• skeletal