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

Goal of bcc programme, The overall goal of BCC programs for diabetes mellit...

The overall goal of BCC programs for diabetes mellitus is to promote behaviors that control diabetes mellitus and prevent complications. These include: Following treatment

Cell determination, Cell Determination Cell determination is a process...

Cell Determination Cell determination is a process through which portions of embryonic genome are selected for expression in particular embryonic cells. Determination to follo

Define techniques for detection hidden root canals, Define Techniques for D...

Define Techniques for Detection Hidden Root Canals Three well-angulated periapical films for 3D morphology: o With the cone directed straight on. o Mesiobilque. o And disto

SCINCE, I WANT JOB FOR TEACHING SCINCE SUBJECT FOR ONLINE

I WANT JOB FOR TEACHING SCINCE SUBJECT FOR ONLINE

Etiological factor of diverticular disease, Q. Etiological factor of divert...

Q. Etiological factor of diverticular disease? The causes of diverticular disease are not certain, but several factors may contribute to changes in the wall of the colon. These

Food and diet, state one benefit of including vegetable fibre in the diet

state one benefit of including vegetable fibre in the diet

Sastry, he heartbeat begins with the depolarization of the

he heartbeat begins with the depolarization of the

Coronary revascularization, When underlying coronary artery disease is the ...

When underlying coronary artery disease is the cause of heart failure in the coronary revascularization may both improve symptoms and prevent  progression. Patients with angina and

Why do plants need to exchange gases with the environment, Why do plants ne...

Why do plants need to exchange gases with the environment? Plants require to do gas exchange because they create aerobic cellular respiration (like animals) and they need to ge

What are transcription process and the replication processes, Q What are th...

Q What are the differences and similarities between the transcription process and the replication processes? A DNA polynucleotide chain serves up as a template in the replication (

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