Control of excretion, Biology

Assignment Help:

CONTROL OF EXCRETION -

1.      In brain hypothalamus is osmocentre that controls minerals.

2.      Cells of DCT & arterioles combien to form Juxta glomerular node, it secretes ranin that controls renal blood pressure.

3.      In defficiency of O2, some chemicals excreted from kidney that combines with globuline to form erythropoitein which stimulates erythropoisis.

4.      Endocrine regualtion - A.D.H. or vassopressin increases water absorption in nephron. On its hypoactivity diabetes insipsides (teste less urine) is caused.

  • Thyroxine decreses water absorption.
  • Aldesterone controls Na & K. Peratharmone stimulates absorption of Ca++.

Note :- ADH and Aldasteron controls quantity of urine.


Related Discussions:- Control of excretion

How is the gymnosperm seeds formed, Q. How is the gymnosperm seeds formed? ...

Q. How is the gymnosperm seeds formed? What are the ploidies of the structures that compose the seeds? Their seeds are produced from differentiation of the megasporangia in the

Explain ketogenic diet, Explan Ketogenic diet Ketogenic diet:   It is ...

Explan Ketogenic diet Ketogenic diet:   It is occasionally used to facilitate the control of epilepsy. Here, the patient  is  initially  fasted  for  48 hours and thereafter,

Explain about the glycemia or insulinemia, Explain about the Glycemia or In...

Explain about the Glycemia or Insulinemia? Preliminary research evidence indicates that there may be beneficial effects in terms of decreased fasting blood glucose/hepatic gluc

What is severity and extent of lesion in cad, What is Severity and Extent o...

What is Severity and Extent of Lesion in coronaw artery disease? Apart from the high prevalence, the other disturbing features of CAD in South Asians are the severity and exten

Explain the composition of macconkey agar, Explain the Composition of MacCo...

Explain the Composition of MacConkey Agar? Bactopeptone - 17.0 gm Protease Peptone - 3.0 gm Lactose - 10.0 gm Bile salt mixture - 1.5 gm Sodium chloride - 5.0 gm

What is lipoproteins, A lipoprotein is a biochemical assembly which haves b...

A lipoprotein is a biochemical assembly which haves both lipids and proteins, bound to the proteins that allow fats to move by the water outside and inside cells. The proteins serv

What is represented by the cellular secretion, Q. What is represented by th...

Q. What is represented by the cellular secretion? Cell secretion is the removal to the exterior of substances produced by the cell for instance, hormones, mucus, and sweat, so

Show some fungal diseases transmitted by animal feces, Q. What are some fun...

Q. What are some fungal diseases transmitted by animal feces? Pigeon and Bat feces can carry Histoplasma capsulatum, the fungus agent of histoplasmosis. The infection is transm

Introduction of environment, BASICS OF ENVIRONMENT We live in two world...

BASICS OF ENVIRONMENT We live in two world one is natural world of animals, plants, air, water and soil that was present since the evolution of earth. The other world is of soc

Define surface properties of proteins, Define Surface properties of Protein...

Define Surface properties of Proteins? The surface properties relates primarily to surface tension, emulsification and foaming characteristics of proteins, which are discussed

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