unit 1 muscle Flashcards
1
Q
Which is the I band?
A
Light
2
Q
Which one is a band?
A
Dark
3
Q
What happens to I band and a band when muscle contracts?
A
I band shortens and A band stays the same length.
4
Q
What happens to sacromere when muscle contracts?
A
Sacromere shortens and so shortens the myofibril and so this shortens the muscle fibre as a result when muscle contracts.
5
Q
A
