72.Antibodies – definition and how many types? 73.What is immunological memory (what is made)? Difference between primary Homeostatic imbalances – Review these (repeat from exam 3, some students had difficulty)
d)Know what happens in HIV in specific – many of you got this wrong in your lecture exam Chapter 22 – The Respiratory System 74. Functions of the respiratory system supply body with O2 and dispose CO2 for cellular respiration; regulation of pH (dependent of CO2); functions in olfactory and speech 75. Know the four processes of respiration 1. Pulmonary ventilation (breathing), 2. External respiration (O2 diffuses from the lungs to the blood, Co2 diffuses from the blood to lungs) 3. Transport of respiratory gases 4. Internal respiration (O2 diffuses from blood to tissue cells, CO2 diffuses from the tissue cells to blood) 76. Two Divisions of the respiratory system a. Know the location, structure, and function of a. Upper respiratory tract Nose and nasal cavity, paranasal sinuses, pharynx b. lower respiratory tract larynx, trachea, bronchi and branches, lungs and alveoli b. Structure of respiratory membrane, and relate structure to function blood air barrier that consists of alveolar and capillary walls along with their fused basement membranes ; gas exchange by simple diffusion c. Know the organs forming the respiratory passageway(s) in descending order until you reach the alveoli. Lungs - the gross structure of the lungs and pleura apex, base, jilum (site of entry/exit of blood vessels), right lung (3 lobes) and left lung (2 lobes); each lobe divided into bronchopulmonary segments; composed of alveoli, the rest consists of stroma pleura: thin, double-layered serosal membrane that divides thoracic cavity into two pleural compartments and mediastinum
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