Body Organization
Basic Terms
Anatomy- The structure of the body
Homeostasis- The state of equilibrium within the body
Negative feedback- is the process in which an opposing change brings the
body back to Homeostasis. Example: Sweating to cool the body down
Physiology- How the body functions
Positive Feedback- Is a reaction in the body that reinforces the same reaction
in the body Example: Blood clotting
The Levels of Organization of the human body
The 11 Organ systems of the Human body
Organ System Major Organs Primary Functions
1. Integumentary Skin, hair, nails, sweat Protects body, regulates
System glands, sebaceous glands temperature, prevents water loss,
sensory reception
2. Skeletal System Bones, cartilage, ligaments, Supports body, protects organs,