chapter 9: muscle overview

Question 1

how many types of muscle?

Answer 1

3

Question 2

name the 3 types of muscle

Answer 2

skeletal
cardiac
smooth

Question 3

describe the3 types of muscle

Answer 3

skeletal: voluntary, striated
cardiac: involuntary, striated
smooth: involuntary, smooth (nonstriated)

Question 4

Name this function of muscle:

contraction of skeletal muscles working against skeleton

Answer 4

movement

Question 5

the biceps flexing to move arm is an example of ___.

Answer 5

movement

Question 6

the heart squeezing blood through circulatory system is an example of ____.

Answer 6

movement

Question 7

The GI squeezing food through esophagus, stomach, and small intestine is an example of ____.

Answer 7

movement

Question 8

Muscles function to maintain __.

Answer 8

posture

Question 9

Muscles help stabilize ___.

Answer 9

joints

Question 10

Muscles help generate ___. This is important in temperature regulation.

Answer 10

heat

ex: shivering

Question 11

what are the four characteristics of muscle?

Answer 11

excitability
contractility
extensibility
elasticity

Question 12

ability to receive and respond to a stimulus

Answer 12

excitability
aka: irritability or responsiveness

Question 13

what is an example of excitability?

Answer 13

reflexes

Question 14

ability to shorten when stimulated

Answer 14

contractility

Question 15

ability to be stretched, even beyond resting length

Answer 15

extensibility

Question 16

resume resting length after stretch

Answer 16

elasticity

think: rubber band