The mineral iron is important to muscles because it:
A)enables nerve impulses to reach muscle fibers
B)is part of myoglobin
C)is part of myosin
D)helps stop excessive nerve impulses to prevent fatigue

Question

Quizplus · Accepted Answer

Iron is part of myoglobin, which is an oxygen-binding protein in muscles. It helps provide oxygen to muscle fibers, which is necessary for muscle contraction.

The Mineral Iron Is Important to Muscles Because It