when chemical reaction used the carbon source and oxygen for energy generation the create by products that are not only use list for the cells of the body but could even be harmful this waste by products are therefore needed to be removed from the body and discarded outside by a process called expression again if the basic rules for body design in multicellular organisms of holidays specialised tissue for expression will be developed which means that the transportation system will need to transport waste away from cells to the excretory system. any questions can be asked
Answers
Answered by
2
Answer:
Is transportation system needed excretory system? if yes then how describe it.
Similar questions