Homeostasis, Biology

HOMEOSTASIS -

Homeo = same,   Stasis = state

Living beings maintain their internal environment by self regulating system, it is called homeostasis.

Term coined by W. B. Cannon.

Examples -

1.       When we enter in a cinema hall from bright light, nothing is visible for a moment, within few seconds every thing is adjustable.

2.       In exercise heart beat is increased for the time being, due to rest it becomes normal. After heavy exercise temperature of body is increased & it becomes normal after some time. Hypothalamus is thermoregulatory centre of body.

872_homeostasis.png

3.       Regulation of sugar level in blood by insulin (-ve) & glucagon (+ve).

4.       Kidney maintains acid base balance in body i.e. give out acidic urine from basic blood.

780_homeostasis1.png

Posted Date: 10/8/2012 5:42:05 AM | Location : United States







Related Discussions:- Homeostasis, Assignment Help, Ask Question on Homeostasis, Get Answer, Expert's Help, Homeostasis Discussions

Write discussion on Homeostasis
Your posts are moderated
Related Questions
How is the responsible slromal swelling pressure for corneal hydration? Slromal Swelling Pressure Stromal Swelling Pressure (SSP) is the pressure exerted by GAG (Glycosa

Explain Mid-diastolic and Lafe Diastolic (Pre Systolic) Sounds ? Mid-diastolic sounds are S3 sounds and late diastolic (pre systolic) sounds are S3 sounds. Pre systolic Pacema

Explain the major classes of lipids The major classes of lipids are simple lipids (acylglycerols and waxes); Compound lipids (glycerophospholipids); Derived lipids (compounds t

Tpes of Diarrhoea: Diarrhoea can be acute, chroniclpersistent diarrhoea and dysentery.  If an episode of diarrhoea lasts less than 14 days, it is acute diarrhoea. Acute wat

Interactions between minerals Copper deficiency has been identified as a serious problem for grazing ruminants. A deficiency may be due to low concentrations of Cu in forage a


What is the group of aquatic beings composed of a large number of photosynthetic beings? A huge number of photosynthetic beings are found in the plankton that is in the surface

Meaning of Behaviour Change Communication Now day's very common term used for giving health education to people and for giving information to bring change in behaviour is Behav

Explain the Bacillus - Characteristics of Bacteria? Bacillus - It is gram positive, endospore former, obligate aerobic or facultative aerobic rods belonging to order Bacilliale

Can you help explain this question in fairly simple terminology? A certain sample of DNA has a Tm of 65oC, while another has a Tm of 58oC. What can you tell about the relative n