Kin 150 stuvia Study guides, Class notes & Summaries

cell - Answer the smallest living unit of the body homeostasis - Answer maintenance of constant internal environment during unstressed conditions ( at rest) dynamic constancy - Answer most physiological variables vary around some set value steady state - Answer physiological variable is constant but not normal sensor - Answer component capable of detecting changes (stimuli) in the environment (usually brain aka hypothalamus, endocrine organ aka pancreas) control center - Answer as...

2 Functions of the respiratory system - Answer 1. Allows gas exchange (ventilation & respiration) 2. Regulates Acid-Base balance during exercise Ventilation - Answer Bringing air into & out of the lungs Respiration - Answer Oxygen moves out of the lungs and into the blood.. Carbon Dioxide moves from the blood and into the lungs.. Diffusion - Answer The movement of molecules along the concentration gradient Zones of the Respiratory System - Answer 1. Conducting Zone -Moves air th...

Isotonic (dynamic) contractions - Answer - muscle changes length and moves a load - Concentric • Muscle shortens during force production - Eccentric • Muscle produces force but length increases (setting down a heavy object - arm flexors are active) Isometric (static) contractions - Answer - tension in the muscle increases but the muscle neither shortens or lengthens (cross bridges form but actin not moving). Force of load > Force produced -Ex:Holding book with extended arm, push...

Emergency - Answer Unexpected, Immediate risk to: -life -health -property -environment What is the most critical factor and best resource during an emergency? - Answer timely intervention and calm demeanor Emergency action plan - Answer a blue print for handling emergencies Four Stages: 1. Prevention 2. Preparedness 3. Recovery 4. Response Traige - Answer Determining the priority of patients treatments by assessing their needs *during response phase Recovery phase - An...

In general, the higher the intensity of the activity, the greater the contribution of - Answer anaerobic energy production. The complete oxidation of glucose involves the usage of three metabolic processes in the following order - Answer glycolysis, Krebs cycle, electron transport chain Because of complex control systems, the body always maintains homeostasis, even during prolonged or high intensity exercise. - Answer False The two primary tissues that act as storage sites for carbohydr...

Claude benard - Answer father of physiology -found that body maintain internal environment body internal system - Answer heart rate: 60-100 blood pressure: 180-20 body temp: 34-41 C pancreas - Answer digestion liver - Answer stores glucose nervous system - Answer -regulate blood vessel dilation constriction conformer - Answer -reptiles - environment controls body regulators - Answer -human -maintain constant internal environment -pro: can live anywhere -con: need to use...