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.