1. Examples Definition Why study?Jobs Human Anatomy and Physiology Anatomy – branch of science that deals with the structure of body parts, their forms, and how they are organized Physiology – the functions of body parts

2. Levels of Organization ► What is the simplest level?

3. Characteristics of Life ► What do all living things do?

4. Maintenance of Life ► What do we need to live? ► Water – transports & regulate temperature ► Food – nutrients for energy & building ► Oxygen – drives metabolic processes ► Heat – determines rate of reactions ► Pressure – forces blood thru vessels

5. Homeostasis ► Stable internal environment ► Homeostatic mechanisms  Receptors - provide info  Set-point - correct value  Effectors – causes response

6. Positive vs. Negative ► Negative Feedback  Back to normal range ► Regulate body temp ► Breathing heavy ► Hungry or thirsty ► Positive Feedback  Beyond the normal range ► Blood clotting ► Breast feeding

7. How is your body like the thermostat in a room? Use the terms: Homeostasis Set point EffectorsReceptorsStimulus

8. Body Cavities Cranial Skull, brain Vertebral Spinal cord, vertebrae Thoracic Lungs, heart, esophagus Abdominal Stomach, liver, kidneys, small intestines Pelvic Bladder, reproductive organs, large intestines Abdominopelvic

9. Body Cavities Review BODY CAVITYBODY CAVITY ► Cranial ► Vertebral ► Thoracic ► Abdominal ► Pelvic INCLUDES… ► Skull, brain ► Spinal cord, vertebrae ► Lungs, heart, esophagus ► Stomach, liver, kidneys, small intestines ► Bladder, reproductive organs, large intestines

10. Body Cavities

11. Organ Systems