muscles

Question 1

all muscles are made up of

Answer 1

muscle fibers

Question 2

what two proteins allow muscles to contract

Answer 2

actin and myosin

Question 3

what is the cell membrane of a muscle cell

Answer 3

sacrolemma

Question 4

what is the cytoplasm of a muscle cell called

Answer 4

sacroplasm

Question 4

skeletal muscle

Answer 4

attached to bones of skeleton and voluntary

Question 5

cardiac muscle

Answer 5

makes up most of the wall of the heart
involuntary
responsible for pumping action of the heart

Question 6

smooth muscle

Answer 6

found in internal organs
involuntary

Question 7

movement

Answer 7

locomotion and manipulation, vision, facial expression (skeletal), blood pumping (cardiac), food digestion, urination (smooth)

Question 8

support and posture

Answer 8

skeletal

Question 9

joint stability

Answer 9

skeletal

Question 10

heat generation

Answer 10

skeletal

Question 11

protection

Answer 11

skeletal and smooth

Question 12

excitability

Answer 12

the ability to receive and respond to stimuli

Question 13

contractibility

Answer 13

the ability to shorten forcibly when stimulated

Question 14

extensibility

Answer 14

the ability to be stretched or extended

Question 15

elasticity

Answer 15

the ability to bounce back to orginal length