Homeostasis

Question 1

define physiology?

Answer 1

study of normal function of living organisms

Question 2

what is the respiratory system?

Answer 2

provides oxygen needed for oxidation and energy

Question 3

cardiovascular system

Answer 3

pumps blood, delivers oxygen, nutients, removes waste in form of co2

Question 4

gastrointestinal tract function

Answer 4

breaks down nutrients and passes them to the liver via portal vein

Question 5

endocrine and nervous system function

Answer 5

coordination organ activity by normones or electrical activity

Question 6

muscloskleltal system

Answer 6

locomotoon, maintenance of posture, brething, protection

Question 7

define homeostasis

Answer 7

control o stabilisation of internal environments

Question 8

what is an conformer?

Answer 8

restricted by environment

Question 9

what is a regulator?

Answer 9

can control themselves

Question 10

what is the internal envrionment?

Answer 10

extracellular fluid

Question 11

what is the extracellular fluid?

Answer 11

interstitial fluid
plasma
transcellular fluid

Question 12

which of the extracellular fluids are key in homeostsis?

Answer 12

interstitial fluid and plasma

Question 13

what drives changes in intercellular fluid, ICF?

Answer 13

osmotic balances

secondary changes

Question 14

what can changes in the ECF lead to?

Answer 14

il health, threaten survival due to the failure of regulation

Question 15

what is negative feedback?

Answer 15

effector system that opposes the initiating stimuli

Question 16

what is positive feedback?

Answer 16

effector system reinforcing or amplifying the initiating stimuli
keeps increasing it up and p

Question 17

negative feedback characteristics

Answer 17

set point and parameter
sensor to monitor variable
can detect error in the sensor using a comparator
effector for compensatory change