How is a tapeworm a parasite? a. it lives in another animal b. it can harm its host c. it steasl nutrients from its host d. all of the above

the generally accepted parts of modern cell theory include: all known living things are made up of one or more cells. all living cells arise from pre-existing cells by division. the cell is the fundamental unit of structure and function in all living organisms.

trachea, alveoli, lung capillaries, arteries