Answer:
They move to an area with a lower oxygen concentration.
so so sorry if i got this wrong
Explanation:
Answer:
antibodies bind to antigens on the infectious agent which are then destroyed by lymphocytes
Tip, <span>that is the equation for photosynthesis. a whale, rabbit, and earthworm cant photosynthesize because they do not have chloroplasts. photosynthesis occurs in chlorophyll.
</span>
respitory systym and circulatory system because you need your lungs to breathe and the blood and heart to pump the oxygen into the blood. :))
in the nucleolus of the cell