Homeostasis , Biology

Assignment Help:

The state of balance in the internal environment of the body it includes control of the water balance of the blood, body temperature, blood sugar level and blood urea level. Each of these internal factors is maintained by a separate mechanisms the central nervous system and the endocrine system. Before these systems can bring about any change they have to be supplied with information regarding the body state. Living cells and all the chemical reactions are controlled by enzymes; the enzymes are very sensitive to the conditions in which they work (PH). A slight fall in temperature or a rise in acidity may slow down or stop an enzyme from working and thus prevent an important reaction from taking place in the cell.

Cell membrane controls the substances which enter and leave the cell, but it is the tissue fluid which supplies or removes these substances, and it is therefore important to keep the composition of the tissue fluid as steady as possible. If the tissue fluid were too concentrated, it would withdraw water from the cells by osmosis and the body would be dehydrated. If the tissue fluid were too dilute, the cells would take up too much water from it by osmosis and the tissues would become waterlogged and swollen.

 


Related Discussions:- Homeostasis

Excretory , What are excretory organ and product of a lizard

What are excretory organ and product of a lizard

Prawn, explain excretory system of prawn?

explain excretory system of prawn?

Define the term- brain circuitry underlying addiction, Define the term- bra...

Define the term- brain circuitry underlying addiction By unraveling brain circuitry underlying addiction, scientists have identified new targets for therapies which might quell

Functions of stomata, Functions of Stomata The cuticle forms outermost...

Functions of Stomata The cuticle forms outermost surface of the leaf and offers resistance to the evaporation of water vapour and entry of carbon dioxide necessary for photosy

TISSUES, difference between axon and cyton

difference between axon and cyton

Characteristic features of coelom, Characteristic Features of Coelom ...

Characteristic Features of Coelom Sensory system consisting of eyes, photoreceptor cells, statocysts, taste buds and tactile organs. Respiration by skin, gills or par

The red data book, The Red Data Book Species judged as threatened are ...

The Red Data Book Species judged as threatened are listed by various agencies as well as by some private organisations. The most cited of these lists is the Red Data Book. It

State about intra oral periapical radiographs, Intra Oral Periapical Radiog...

Intra Oral Periapical Radiographs These can either be taken conventionally or by the help of RVG (RADIO VISUO GRAPHY).  RVG offers certain benefits over conventional X-Rays suc

Temperate evergreen forest - ecosystem, Temperate evergreen forest - Ecosys...

Temperate evergreen forest - Ecosystem Many parts of the world have a mediterranean type of climate which is characterised by warm, dry summers and cool, moist winters. These

Explain about the pickling - methods of food processing, Explain about the ...

Explain about the Pickling - methods of food processing? Pickling was widely used to preserve meats, fruits and vegetables in the past, but today it is used almost exclusively

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd