Control of excretion, Biology

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.

Posted Date: 10/2/2012 4:27:42 AM | Location : United States







Related Discussions:- Control of excretion, Assignment Help, Ask Question on Control of excretion, Get Answer, Expert's Help, Control of excretion Discussions

Write discussion on Control of excretion
Your posts are moderated
Related Questions
How does the study of fossils strengthen the theory of evolution? The study of fossils reveals extinct and ancient species having many similar structures to others of the prese

What is the role of water in metabolism and photosynthesis I

In sulfur photosynthetic bacteria what is the molecule that donates hydrogen for photosynthesis? In sulfur photosynthetic bacteria the substance that donates hydrogen is hydrog

Biochemical Reactions - Nitrate Assimilation Nitrate is the most readily available and preferred source of nitrogen for growth. Assimilatory reduction of NO - 3 to NH 3 is

Fertilization - Development Biology Previously you knew the process which leads to the differentiation of the male and female germ cells, the sperm and ova, respectively. In t

Disaccharides can be understood as follows 1.Sugars made up of the two monosaccharides held together by the covalent bond; like sucrose and lactose . 2. Type of sugar (sacch

Explain the Bright Field Microscopes? Figure illustrates the compound bright field microscope. This is the most commonly used microscope in biology and microbiology courses. It

Define Estimation of Iron in any Solution? Iron can be determined calorimetrically. The principle is described next. Principle The iron is determined in the solution or d

difference between RBC and WBC for homework

Following a meal, fructose 2,6 bisphosphate levels will be elevated in the liver. Under these metabolic conditions, all of the following enzymes will be active except: -PFK1