Why are slow-twitch muscles more beneficial than fast-twitch muscles for cardiorespiratory fitness?
A.
Slow-twitch muscles are longer and thicker than fast-twitch muscles.
B.
Slow-twitch muscles need less blood to contract than fast-twitch muscles.
C.
Slow-twitch muscles need more recovery time between exercise sessions than fast-twitch muscles.
D.
Slow-twitch muscles are able to use oxygen more efficiently than fast-twitch muscles.


Please select the best answer from the choices provided.

A
B
C
D