4. Which is part of the repair process to heal a broken bone? A. A blood clot temporarily keeps blood from the bone.
B. Endorphins cause inflammation to hasten cell division.
C. Osteoblasts form rigid structures to immobilize the site.
D. Osteoclasts remove dead bone cells to clean the site.

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

cells spend most of their time in interphase

b) the inside picture would look at a very high temperature in a very low ph