You already know that ribosomes are abundant in red blood cells. in what other cells of the body would you find them in great abundance? why?

Muscle cells

Explanation:

There is abundant presence of the ribosomes in the red blood cells .

But , the ribosomes are also abundantly present in the cells present in the muscles ,

Because , the muscle cells are made up of by the proteins , and proteins are composed of the ribosomes .

Hence ,

ribosomes are abundantly present in the red blood cells and in the muscle cells as well .

"a.) well–developed vascular system."