Homeostasis Intro Flashcards
Define homeostasis
The constancy of the internal environment
What does ‘Homeo’ mean
Maintain similar state
What happens to your body temperature when you exercise
Increases
What happens to body temperature when you travel to the artic
Decreases
What happens tot body temperature when you have a fever
Increases
What is set point
The optimal range of values for a physiological condition
Which is quicker hormones or neurons
Neurones
What hormones increase blood volume for blood pressure
ADH. Aldosterone
What do baroreceptors detect
pressure
What do chemoreceptors detect
chemical change
What does the sympathetic system release to increase cardiac output
norepinephrine
What happens to blood vessels to increase blood pressure
vasocontriction
Fours stages of feedback loop
Stimulus, sensor, control, effector
What is the afferent signal
To CNS
What is the efferent signal
To muscle/gland
