Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
11 Cards in this Set
- Front
- Back
|
physiology
|
the study of how the body works to do tasks essential for life
|
|
|
levels of organizations
|
cells,tissue,organ, organ system
|
|
|
the external and internal exchange of materials is accomplished by
|
the blood which transports oxygen nutrients and other needed materials and releases carbon dioxide and other unneeded materials
|
|
|
intracellular fluid(ICF)
extracellular fluid(EFC) |
fluid found inside cell
fluid found outside cell |
|
|
homeostasis
|
maintenance of constant conditions in the internal environment.
|
|
|
set point
|
normal desired value
|
|
|
dynamic equilibrium
|
a balanced change
|
|
|
homeostasis maintained
|
with feedback systems: positive and negative feedbacks
|
|
|
positive feedback
|
enhance or accelerate output created by a stimulus that has already been activated
|
|
|
negative feedback
|
reduce or eliminate the change
|
|
|
three components required by a feedback system
|
receptors-sensors which detect stimuli
intergrating center- produces an appropriate response effectors-responsible for body responses |
