The Muscle System

Question 1

Skeletal muscle

Answer 1

striated, voluntary

Question 2

Cardiac muscle

Answer 2

branched, striated, involuntary

Question 3

Smooth muscle

Answer 3

visceral, nonstriated, involuntary

Question 4

Excitability

Answer 4

– receive and respond to a stimuli, usually a neurotransmitter

Question 5

Contractility

Answer 5

shorten forcibly when adequately stimulated

Question 6

Extensibility

Answer 6

extend or stretch, even beyond their resting length, when relaxed

Question 7

Elasticity

Answer 7

recoil and resume resting length after stretching

Question 8

Characteristics

Answer 8

Excitability, Contractility, Extensibility, Elasticity

Question 9

Functions

Answer 9

Produce Movement, Maintain Posture and Body Position, Stabilize Joints, Generate Heat

Question 10

Produce Movement

Answer 10

skeletal muscles used for all locomotion; cardiac muscles & smooth muscle for rhythmic beating of heart and constriction/dilation of blood vessels, maintaining blood pressure; smooth muscle for organs of the digestive, renal and reproductive tracts propel substances

Question 11

Maintain Posture and Body Position

Answer 11

Counteract the constant downward pull of gravity

Question 12

Stabilize Joints

Answer 12

Strengthen and stabilize joints of the skeleton

Question 13

Generate Heat

Answer 13

Contraction produces heat, playing a role in temperature regulation