Answer:
the lymphatic sys carries excess fluid and helps fight germs, and returns this fluid to your blood so you don't die.
Vacoule
Cell wall
Cytoplasm
I did this with my teacher , it’s B
Answer:
Its protein; because none of the macromolecules have an 'r group'.
I think they are called Sutural. Intra sutural bones also known as the wormian bones are extra bone pieces that occur within a suture (a joint) in the cranium. They are irregular isolated bones that appears in addition to the usual centers of ossification of the cranium and they are not rare bone despite being unusual.