Living organisms contain unique chemical elements which are not found in other living elements. true or false

One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?