Question

plz tell fast.... first answer will be marked as brainliest​

Answer 1

Answer:

Mark me as brainliest

Explanation:

Blood cell formation from differentiation of hematopoietic stem cells in red bone marrow. Most red blood cells, platelets, and most of the white blood cells are formed in the red marrow. Yellow bone marrow produces fat, cartilage, and bone.

Answer 2

bone marrow is a spongy tissue inside bones that produces blood cells

White blood cells how produce

after entering the blood stream ,the hematopoietic stem cells travel to bone marrow .There , they begin to produce new white blood cells and platelet

Red blood cells how produce

if these happen , the kidney produce and release erythropoietin, a hormone that stimulates the bone marrow to produce more red blood cells