it is an organ. the main organ in the body. I wish your question was a little more clear, like multiple choice would be very helpful to what my choices are.
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Explanation:
With the help T cells , B cells make special proteins called antibodies which stick to antigens on surface of germs stopping them in their track.
Answer:
Excretion helps maintain Homeostasis by excreting wastes from the body, which eliminates harmful toxins housing themselves in your body, which would increase the chance of getting an illness. ... When you exhale, carbon dioxide and some water are removed from the body by the lungs.
The mosaic nature is due to the numerous proteins that
are entrenched in the phospholipids bilayer, fluctuate in shape, size and
patterns in the same way as the stones or tiles of a mosaic.
the flexibility is due to individual phospholipids molecules which can move virtual
to one another and gives the membrane a flexible structure that is constantly
changing shape
hope it helps