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Physiology

CDI Thunder Bay- Physilogy Test Review Dec.14-Dr. Alex

QuestionAnswer
8 pts for maintaining life 1. maintaing bounderies 2. movement 3.responsiveness or irritability 4. digestion 5. metabolism 6. excretion 7. reproduction 8. growth
Survival needs 5 pts. Nutrients, Oxygen ,Water, Normal Body Temp., Atmospheric Pressure
Percentage of Common Elements Composing the Human Body oxygen 65% carbon 18.5% hydrogen 9.5 % nitorgen 3.2%
excretion pooping
secretion sweating
homeostasis the bodies ability to maintain a relitivly stable internal environment with an ever chaning external environment
Communication within the body is primarily preformed by the nervous and endocrine system. - neural, hormonal, chemical:hypoxia
3 components of homeostatatic control mechanisms receptor, control centre, effector
a Variable is monitored by what... Homeostatic Control Mechanism
how does the homeostatic control centre work the receptor senses a change in the variable and sends signal to the control centre. Control Centre decides what to do with the info and sends the required responce via the Effectors
Afferent pathway going towards the structure
Efferent Pathway going away from the structure
Negative feedback mechanisms. when the response to a stimuli is to turn it down or shut it off- eg; sweating
Positive Feed Back Mechanisms when the response to the stimuli is to up the response eg; uterine contractions
Matter anything that occupies space and mass
What 3 states can Matter exist in liquid gas solid
Energy the capacity to do work
Kinetic Energy energy of motion or movement
Potential Energy is stored energy
Forms of Energy (4 pts) Chemical Electrical Mechanical Radiant or Electromagnetic
Skeletal cartilage Skeletal cartilageComposes most of the skeleton in early fetal life; articular cartilage, nasal cartilage in the adult skeleton.
Hyaline cartilage The most abundant cartilage type in the body; provides firm support with some pliability.
Created by: sianmacdonald
 

 



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