BSC 228 Marshall University Chapter 1 (Questions and answers) LATEST UPDATE
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Course
BSC 228 Marshall University
Institution
BSC 228 Marshall University
Set Point - ️️Each homeostatic mechanism has a _________, which can vary over
time
transient changes - ️️-changes in response to internal or external conditions
-happen temporarily then go away
-ex: exercise, walking over uneven ground, feed forward regulation
dynamic - ️️our bodie...
BSC 228 Marshall University Chapter 1
Set Point - ✔️✔️Each homeostatic mechanism has a _________, which can vary over
time
transient changes - ✔️✔️-changes in response to internal or external conditions
-happen temporarily then go away
-ex: exercise, walking over uneven ground, feed forward regulation
dynamic - ✔️✔️our bodies are in a _______ state around set points (variation in body
temp)
balancing inputs and outputs - ✔️✔️homeostasis is achieved by....
-maintenance of body heat
-energy balance
-water and salt balance
-walking or standing
-growth and cell division
-fever - ✔️✔️examples of homeostasis
disease/pathology - ✔️✔️disruption in homeostasis
stimulus - ✔️✔️something that triggers a change
negative feedback - ✔️✔️moves body parameter towards a set point
positive feedback - ✔️✔️rare, a trigger moves body parameter away from a set point
(child birth, blood clotting)
reflexes - ✔️✔️involve components of the body distant from the stimulus that triggers it
reflex arc - ✔️✔️the pathway that controls the reflex
innate reflex - ✔️✔️a type of reflex that is involuntary and unlearned
learned or acquired reflex - ✔️✔️a type of reflex that is learned from experience
local response - ✔️✔️-differ from reflexes
-occur completely within the area of the stimulus (swelling)
- are always innate, cannot be learned
circadian rhythm - ✔️✔️24 hour internal clock
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