Question

multiple select question select all that apply which of the following characterize slow - twitch fibers? abundance of mitochondria contract quickly abundance of myoglobin resistant to fatigue light in color

Explanation:

Slow - twitch fibers are characterized by an abundance of mitochondria for aerobic energy production, an abundance of myoglobin for oxygen - binding, and are resistant to fatigue. They contract slowly and are dark in color due to myoglobin content.

Answer:

abundance of mitochondria
abundance of myoglobin
resistant to fatigue