ch 10 pt 1 anatomy

Question 1

Cardiac muscle

Answer 1

Heart, involuntary

Question 2

Skeletal muscle

Answer 2

Muscle of body, voluntary

Question 3

Smooth muscle

Answer 3

Organs, involuntary

Question 4

Functions of skeletal muscle

Answer 4

Body movement, maintenance of posture, protection and support, regulating waste, heat production

Question 5

What is excitability?

Answer 5

Ability to respond to a stimulus by changing atp

Question 6

What is conductivity?

Answer 6

Involves sending an electrical change down the length of the cell membrane

Question 7

What is contractility?

Answer 7

Exhibited when filaments slide past each other, cause movement

Question 8

What is extensibility?

Answer 8

Ability to be stretched

Question 9

What is elasticity?

Answer 9

Ability to return to original length

Question 10

What is fascicle?

Answer 10

Muscle fibers bundled within

Question 11

What is epimysium?

Answer 11

Dense irregular CT wrapping whole muscle

Question 12

What is perimysium?

Answer 12

Dense irregular CT wrapping fascicle

Question 13

What is endomysium?

Answer 13

Areolar CT wrapping individual fiber; insulation

Question 14

What are myofibrils?

Answer 14

Cause you to have muscle contraction

Question 15

What is sarcoplasmic reticulum?

Answer 15

Modified SER, holds Ca 2+

Question 16

What are terminal cisternae?

Answer 16

Blind sacs of sarcoplasmic reticulum

Question 17

What are triad?

Answer 17

Two cisternae with T-tubule in between