The unit focuses on the role of organ systems in providing nutrients and oxygen to the body and transporting and eliminating wastes (maintaining internal balance).
(The unit; focuses; on the role of organ systems in providing nutrients and oxygen to the body and transporting and eliminating wastes) (wastes; maintaining; internal balance)
The unit wastes
focuses maintaining
on the role of organ systems in providing nutrients and oxygen to the body and transporting and eliminating wastes
internal balance