Definition Examples Human Anatomy and Physiology Why study? Jobs
Anatomy and Physiology Ex:
Levels of Organization What is the simplest level?
Characteristics of Life What do all living things do?
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
Homeostasis Stable internal environment Homeostatic mechanisms Receptors - provide info Set-point - correct value Effectors – causes response
Positive vs. Negative Negative Feedback Positive Feedback Back to normal range Regulate body temp Breathing heavy Hungry or thirsty Positive Feedback Beyond the normal range Blood clotting Breast feeding
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
Body Cavities