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Excretory products and their Elimination

At Saralstudy, we are providing you with the solution of Class 11th biology Excretory products and their Elimination according to the latest NCERT (CBSE) Book guidelines prepared by expert teachers. Here we are trying to give you a detailed answer to the questions of the entire topic of this chapter so that you can get more marks in your examinations by preparing the answers based on this lesson. We are trying our best to give you detailed answers to all the questions of all the topics of Class 11th biology Excretory products and their Elimination so that you can prepare for the exam according to your own pace and your speed.

Human body produces various harmful substances due to different metabolic activities that have to be removed by our body such as urea,Uric acid ,ammonia ,co2 etc. This work is performed by the kidney, lungs and skin. The nitrogenous waste like urea, uric acid and ammonia are removed and filtered from the blood through the kidney. Various organisms have different excretory organs like protonephridia, nephridia, green gland, malphigian tubule and the most advanced or complex one is kidney. This chapter focus on the structure of the kidney, it unit nephron ,countercurrent mechanism the process of concentration of urine. Regulatory mechanisms like rennin. angiotensin mechanism and disorders of excretory system.

Exercise 1