Muscles Flashcards
(9 cards)
1
Q
Cardiac Muscle
A
- Heart
- Contract on own
2
Q
Smooth Muscle
A
- Internal organs, blood vessels, bronchioles
-peristalsis/dilating/constricting
3
Q
Skeletal Muscle
A
- we choose to use them
4
Q
Flexor
A
Contracts to bend a joint
5
Q
extensor
A
contracts to straighten joint
6
Q
Myofilaments
A
threads of contractile proteins
7
Q
Actin
A
think filaments, form lighter stripes called I bands
8
Q
Myosin
A
Thick filaments, darker stripes called A bands
9
Q
Sarcomere
A
repeating unit of contraction within myofibril
