= Anatomy and Physiology Human Biology = Anatomy and Physiology Form Function How you are built How your body works All the parts Chemical changes

Levels of Organization Tissue Organism Chemistry Organs Organ System Cell

5 Factors Essential to Life 1- Oxygen 2- Nutrients 3- Water 4- Heat 5- Atmospheric pressure

All chemical processes carried out in your body. Metabolism All chemical processes carried out in your body. Catabolism - breaking down of material into smaller parts. Anabolism – building up of material

Homeostasis Maintaining a balanced internal environment Homeo – same -stasis – stable state / slowing Feedback loops - Systems set up to bring your body back into balance

Feedback Loops Negative feedback loop - Positive feedback loop - The body changes to stop the current pathway. Sweating, insulin Positive feedback loop - The body changes to increase the intensity of the current pathway. Blood clotting, contractions

Body Systems (11 total) Muscle Endocrine Skeletal Nervous Cardiovascular Lymphatic Respiratory Integumentary Urinary Reproductive Digestive

Anatomy and Physiology Form Function - Measuring size, shape, weight - Studied in living subjects - Chemistry principles - Can be studied in dead - Acid content in stomach - Principles of physics - Observing a heart in action - Dissection - Dynamic - Observation - Experimentation -Directional terms - Observation - Static