4.
Which muscle fibers are best suited for sprinting?
Yellow fibers
Motor-neuron cells
Red fibers
White fibers
ITS NOT D

5.
Which muscle fibers are best suited for sprinting?
Yellow fibers
Motor-neuron cells
Red fibers
ITS NOT A

White fibers

Respuesta :

 A - They are protein cells and are found in extracellular matrix of connective tissue and produced by muscle cells.

I don't understand they are the same question tho

everyone keeps saying 4 is a, yellow fibers...ITS WRONG

the answer to 4 is Motor-neuron cells, i just did the assignment.