Answer:
Bone marrow transplantation
Explanation:
Stem cells are special cells generated in bone marrow. This can changed into different types of cells. They are red blood cells It carries oxygen to the body cells
.White blood cells Resisting agents from infections
. Platelets it performs clotting of blood
Stem cell transplant involves in removing of damaged cells instead placed stem places from blood or bone marrow
<span>The brain stem is closest to the spinal cord.</span>
I would assume the answer to your question is A. “Because only men have the Y chromosome, so the women i. the class wouldn’t be able to participate.”