Of Anatomy And Physiology - Essentials

: Related organs coordinating for a common purpose (e.g., the digestive system).

: The foundation where atoms (like carbon and oxygen) combine to form molecules (such as water, DNA, and glucose). Essentials of Anatomy and Physiology

: Groups of similar cells that perform a specific function. The four primary types are: Epithelial : Covers surfaces and lines organs. : Related organs coordinating for a common purpose (e