Human Physiology final exam 100% SOLVED

Human Physiology final exam 100% SOLVED define homeostasis - ANSWERthe body's ability to maintain a stable internal environment define positive feedback - ANSWERincreases the problem. Makes you aware of the problem. Ex:childbirth define negative feedback - ANSWERreduces the problem;brings you back to set point;ex: br and heart rate define homeostatic imbalance - ANSWERdisturbance in the body's ability to maintain a stable internal environment Where are epitelial cells found in the body? - ANSWERall body surfaces (inside and out) describe the four functions of epithelial tissue - ANSWER1. protect:covers all free body surfaces 2. absorb: in kidneys absorbs and filters 3. filter:kidneys 4. secrete: perspiration, oil, stomach acid, digestive enzymes, mucus what is the benefit of having stratified squamus epithelium on your skin and in your mouth and esophagus? - ANSWERthe top layer of cells can flake off What is the importance of ciliated pseudostratified epithelium in the respiratory tract? - ANSWERcilia sweep and clean trachea What could be the result of long term cigarette smoke? - ANSWERcilia disappear leading to dirty mucus build up five symptoms of inflammation. - ANSWER1. heat