I’m not 100% sure, but I think it’s C. Behavioral difficulties
It is making sure your child is always good, okay and well kept
If you have any heart problems or breathing issues
Answer:
The three types of lymphocytes are T cells, B cells, and natural killer cells. The T cells destroy pathogens in a specific manner and activate B cells to produce antigen-specific antibodies. Phagocytes can be either macrophages, neutrophils, monocytes, dendritic cells or mast cells.
Explanation:
