MUSCLE Flashcards
1
Q
name the 3 types of muscle
A
skeletal, smooth and cardiac
2
Q
skeletal muscle function
A
- moves and stabilises skeleton
- forms sphincters in digestive and urinary tracts
- used in respiration
3
Q
skeletal muscle structure
A
- long, cylindrical cells
- striated
- many, peripherally located nuclei
- innervated by somatic nervous system
4
Q
smooth muscle function
A
- located in walls of organs, blood vessels and airways
- GI movement
- alters diameter of airways and blood vessels
5
Q
smooth muscle structure
A
- short, fusiform cells
- non-striated
- single, centrally-located nucleus
- innervated by autonomic nervous system
6
Q
cardiac muscle function
A
- found in heart wall
- helps to circulate blood and to maintain blood pressure
7
Q
cardiac muscle structure
A
- branched muscle fibres
- striated
- 1-2 central nuclei
- intercalated discs
- innervated by the autonomic nervous system
