| A | B |
|---|
| smooth muscle | provides movement in the internal organs |
| elasticity | ability of a muscle to return to original length |
| contraction | shortening of a muscle |
| cardiac | involuntary muscle in heart |
| tetanus | lockjaw |
| extensibility | ability of a muscle to be stretched |
| tetanus | lockjaw |
| excitability | muscle response to certain stimuli |
| muscle tone | partial contraction of a muscle |
| atrophy | muscles shrink in size and lose strength |
| skeletal | muscles attached to bone for movement |
| muscular dystrophy | group of genetic diseases of muscles causing cell deterioration |
| contracture | severe tightening of a flexor muscle that results in the bending of a joint |
| polio | etiology is a virus |
