Muscle tissues Flashcards
1
Q
Where are the skeletal muscles found?
A
Attached to bones.
Can control its contraction and relaxation.
2
Q
Where are the cardiac muscles found?
A
Only in the heart.
Not under voluntary control
3
Q
Where are the smooth muscles found?
A
In the walls of hollow organs. Eg. stomach
Not under voluntary control
4
Q
What are muscles made of?
A
Muscles are composed of cells that are elongated and form fibers
5
Q
Properties of Slow-twitch fibres?
A
Contract slowly.
Less powerful over long periods of time.
Suited for aerobic respiration
6
Q
Properties of Fast-twitch fibres?
A
Contract rapidly, short time, very powerful.
Suited for anaerobic respiration.
7
Q
Sport example- slow-twitch fibres?
A
Long distance running/cycling
8
Q
Sport example- fast-twitch fibres?
A
Jumping, sprinting
