BIOL108 Lecture Notes - Lecture 9: Respiratory Tract, Medulla Oblongata, Otitis Media
3 Aug 2018
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20th march 2018: lecture eleven respiratory/ skeletal system. Q1: which of the following is mismatched: skull tibia, heart ventricle, kidney nephron, lung alveolus, small intestine ileum. Q2: which of the following will increase in concentration in muscle cells during strenuous muscular activity: myosin, lactic acid, glucose, actin, carbon monoxide, respiratory system: The primary function is oxygen uptake and removal of co2. Functions speech, sense of smell, control of ph and body temperature and excretion of some substances. The upper respiratory tract: air is filtered, warmed and moistened before entering into the lungs. The lower respiratory tract: site of gas exchange with the blood: inhale and exhale: Movement of air in and out of the lungs is accomplished by expansion and contraction of the rub cage, and movement of the diaphragm: gas exchange: It is driven by diffusion across the cell membranes. In the brain, (medulla oblongata) controls the rate of breathing to maintain the correct levels of co2 and.
