Muscle Tissue

Question 1

Muscle is specialized to…

Answer 1

generate mechanical force

Question 2

What are the 3 types of muscle tissue?

Answer 2

Skeletal, Cardiac, Smooth

Question 3

Skeletal muscle is under _____ control and is attached____? Function?

Answer 3

voluntary; to bones and related structures
(produces movement of trunk and limbs)

Question 4

Cardiac muscle is under_____ control and is found_____? Function?

Answer 4

involuntary; only in the heart
(generates force to contract heart and circulate blood)

Question 5

Smooth muscle is _____ and surrounds_____? Function?

Answer 5

involuntary; viscera
(contracts to decrease diameter or shorten the length of tubing)

Question 6

Which tissue type(s) have striations?

Answer 6

Skeletal, Cardiac

Question 7

Skeletal muscle requires a lot of____ and so has a lot of____?

Answer 7

power/energy;mitochondria

Question 8

What are striations?

Answer 8

the organization of actin and myosin proteins

Question 9

How many nuclei does each cell type have?

Answer 9

Skeletal: Multinucleate
Cardiac: 1-2 Nuclei per cell
Smooth: Multinucleate

Question 10

Which characteristic is unique to Cardiac tissue?

Answer 10

Intercalated discs (desmosomes and gap junctions)

Question 11

All tissues are derived from which stem cells?

Answer 11

Endoderm, Mesoderm, Ectoderm