1. Digestive system- absorb nutrients from food and remove wastes
2. Endocrine system- regulates temperature, metabolism, and homeostasis using hormones
3. Integumentary system- protects against injury, infection, and fluid loss
4. Excretory system- removes wastes from the blood and regulates the concentration of body fluids
5. Cardiovascular system- transports nutrients, wastes, hormones, and gases
6. Nervous system- regulates behavior and controls sense and movement
7. Respiratory system- moves air into and out of lungs; controls gas exchange
8. Muscular system- provides structure and supports; moves the body
9. Immune system- defends against pathogens and disease
10. Skeletal system- protects and supports body and organs; produces blood cells
11. Reproductive system- produces gametes and offspring