Nearer to the medullary cavity, the is marked by an expansive production of chondrocytes that align in rows in order to replenish those undergoing calcification.
(a)-zone of cell proliferation
(b)- zone of hypertrophy
(c)- zone of calcification
(d)- zone of deposition

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Describe two recent or ongoing space missions.

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen