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
Radiographic Evaluation - criteria for endosteal implants Surgical and interventional imaging involves imaging the patient  during and immediately after surgery and during the

Explain the role of cuvier in animal taxonomy? Cuvier (1769-1832) was critical of Lamarck's evolutionary concept which thereafter remained in oblivion for half a century. Cuvi


How many different proteins, each composed of 8 amino acids, can be constructed using the 20 different amino acids found in proteins?

Consumers Heterotrophs (other nourishing) are incapable of photosynthesis and depend on organic food derived from animals, plants or both. Consumers can be divided into two br

What is Mitosis? Mitosis is a process whereby a cell that is preparing to divide separates the duplicated pairs of chromosomes from each other so that each of the new daughte

In cats, curled ears (Cu) results from an allele that is dominant over an allele for normal ears (cu). Black colour results from an independently assorting allele (G) that is domin

Meaning of Statistical Investigation: An investigation means a systematic search for the knowledge or the truth. In statistical investigation the search for the knowledge is do

Describe the tasks of various body systems in breaking down carbohydrates into glucose to fuel the cells work

Q. Iceberg phenomenon in relation to diabetes? Diabetes Mellitus cases are diagnosed by a doctor or a health worker by taking history, blood test for sugar level. But the undia