List the three components of traditional cell theory.

One group of reptiles, characterized by the fossil ark metal x

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism. humans have eleven different organ systems: integumentary, skeletal, muscular, nervous, endocrine, circulatory, lymphatic, respiratory, digestive, urinary, and reproductive. discuss the function of neurons, the brain and the spinal cord within the human nervous system while explaining the interrelationship of each organ.