Question

In adults, ________ marrow fills the central canal of long bones, and ________ marrow is found in the epiphyses of long bones

Answer 1

Yellow marrow fills the canals of long bones, and red marrow is found in the rounded ends of long bones (for example, the femur). Red marrow is made up of components of blood (red & white blood cells, platelets), while yellow marrow is primarily composed of fat cells.