Answer: white blood cells
Explanation: They fight off the bad bacteria.
Answer:
the reproduce by putting the male representative organ in the female reproductive organ
Migration is D, the seasonal movement of organisms between locations!
Answer:
The process in cell division by which the nucleus divides, typically consisting of four stages, prophase, metaphase, anaphase, and telophase, and normally resulting in two new nuclei, each of which contains a complete copy of the parental chromosomes.
