PHSL 310- Midterm Exam Guide - Comprehensive Notes for the exam ( 94 pages long!)
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1. 1 the scope of human physiology: physiology: the study of how living organisms function. Also, nonfibrous exist contain carbs: organs comprised of two or more tissues arranged in sheets, tubes, layers, bundles, strips, functional units: small, subunits performing function ex. nephron. Internal environment: fluid that surrounds cells and exist in blood. Internal environment can"t stay constant (range of normal values depending on external environment: occurs at organ, cellular and molecular level, positive feedback: explosive system that has no means of stopping. 13. 1 organization of the respiratory system: alveoli: tiny air-sacs that are the site of gas exchange in the blood, airways: tubes in which air flows from external environment to alveoli and back. Inspiration: movement of air externally through airways into alveoli (inhale) Inspiration: air-nose/mouth pharynx (air/food) esophagus & larynx (part of: upper airways: nose, mouth, pharynx, larynx, larynx trachea two bronchi enters each lung bronchioles (smooth muscle-
