The brain and the spinal cord are the two major "organs" that you would find in the dorsal body cavity.
A) cells are bound together
B) cells specialize and cooperate
C) cells form a protective outer sheath
D) cells have like pairs of chromosomes
Hi!
I would say C, weak, dead, or partial antigens because do you need to be introduced to the disease for your body to fight it.
Hope this helps!
Answer:
May be Nutritional but no sure
