Question

soft tissue full of stem cells that produce red blood cells, most white blood cells and platelets
yellow marrow
red marrow
epiphyses
diaphysis

Explanation:

Red marrow contains stem - cells that produce red blood cells, most white blood cells and platelets. Yellow marrow is mainly fat - storing. Epiphyses are the ends of long bones and diaphysis is the shaft of long bones.

Answer:

B. Red Marrow