Which of the following is true about fast-twitch muscle fibers?
A. They only twitch when you are nervous.
O B. They are found only in elite athletes.
C. They can deliver a lot of power for a long time.
D. They contract very quickly.

answer; first the above statement is correct and the answer you are looking for is (energized); ///good luck

it should be

steady state

oxygen deficit

oxygen consumption

epoc

cardiovascular exercise

atp

during longer space exploration trips, crewmembers may develop vision impairment risks and short-term cardiac atrophy or a decrease in the size, strength, weight, and activity of the heart during space flight because they can experience microgravity. in addition, the long-term medical condition is loss of bone mineral density and radiation exposure.