• Best of luck to the class of 2024 for their HSC exams. You got this!
    Let us know your thoughts on the HSC exams here
  • YOU can help the next generation of students in the community!
    Share your trial papers and notes on our Notes & Resources page
MedVision ad

Model of a feedback mechanism (1 Viewer)

Smoke

New Member
Joined
Jun 14, 2004
Messages
25
Am i correct to assume that "to develop a model of a feedback mechanism" is something like making an analogy of the feedback mechanism? Such as a air conditioning system in a room detecting changes in temperature and responding to them accordingly to maintain a constant room temperature?
 

alien

Member
Joined
Oct 8, 2004
Messages
563
Location
Sydney
Gender
Female
HSC
2004
yeah but it's easier to use something like the pancreas and liver responding to rises/drops in blood glucose level. all you have to do is draw a flow chart and that's your model
 

Smoke

New Member
Joined
Jun 14, 2004
Messages
25
Do you know where i could find an example of such a flow chart for that situation? I have a flow chart for the air conditioner one, but im not sure how your example would work.
 

alien

Member
Joined
Oct 8, 2004
Messages
563
Location
Sydney
Gender
Female
HSC
2004
lol draw a circle. i'd write it up but i just gave all my bio notes away and i can't fully remember... sorry. you could look up on the net!
 

xiao1985

Active Member
Joined
Jun 14, 2003
Messages
5,704
Gender
Male
HSC
N/A
agreed on alien... better use a biology model rather than an artificial one... i used temperature manaintance...
 

Smoke

New Member
Joined
Jun 14, 2004
Messages
25
Ok, ill do something along the lines of a person running, getting hot, sweating, cooling down, the drop in temp is the now the thing to react to, etc.
 

mr_snrub

New Member
Joined
Feb 7, 2005
Messages
14
Gender
Male
HSC
2000
I like the idea of the panceas and maintaining blood glucose level (BGL).
Without going into too much detail, you can quite easily understand its mechanism.
Person eats food --> BGL rises --> pancreas secretes insulin --> insulin lowers BGL --> lowered BGL tells liver to release glucagon, which causes BGL to rise (feedback).
 
Last edited:

+Po1ntDeXt3r+

Active Member
Joined
Oct 10, 2003
Messages
3,527
Gender
Undisclosed
HSC
2003
or how about blood pressure, kidneys and regulatory hormones of aldosterone n the angiotensins.. slightly more unique..
 

Danoz The Great

Active Member
Joined
Oct 24, 2004
Messages
1,105
Gender
Female
HSC
2005
I did a thremostat model of the hypothalamus. Its really good, when I get home from school I'll put it on here.
 

malkin86

Active Member
Joined
Mar 11, 2004
Messages
1,266
Gender
Female
HSC
2004
For Further Knowledge: A positive feedback system is breastfeeding: the more the stimulus of the baby suckling, the more milk is produced by the mother. - You're not likely to need this, but I think I got asked this.
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top