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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Importance and Snapshot of Excretory Product and their Elimination - Study ref# 791
Introduction: Animals accumulate ammonia, urea, uric acid, carbon dioxide, water and ions like , phosphate, sulphate, etc., either by metabolic activities or by other means like excess ingestion. These substances have to be remove...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Importance and Snapshot of Excretory Product and their Elimination - Study ref# 792
Following sections must be covered to understand the Excretory Product and Their Elimination: 1. Human Excretory System 2. Urine Formation 3. Function of the tubules 4. Mechanism of Concentration of the Filtrate 5. Regulation of ...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Target Setup for Excretory Product and their Elimination - Study ref# 793
Student requires to achieve the following milestones to get better grip over Excretory Product And Their Elimination. The milestones / targets are as follows:Starting Point: Days 0Test TypeAppear on TestTarget TestsScorePractice Test0...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4954
A notch present on the inner medial side of kidney is known as Answer: The medial concave border of a kidney contains a notch known as hilus through which the renal artery enters and the renal vein and ureter leave the kidney. ...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4958
The basic functional unit of human kidney is Answer: A nephron is a unit of structure and function in a kidney. Each kidney contains about a million nephrons. A nephron is a long tubule differentiated into Bowman’s capsule, PCT, loop...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4961
The number of nephrons in a kidney is equal to Answer: Each nephron has a blind cup shaped structure called Bowman’s capsule. Bowman’s capsule encloses glomerulus and is a site of ultrafiltration. Therefore, the number of nephrons in...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4966
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is Answer: Net pressure gradient = Glomerular hydrostatic pressure – (Blood colloidal osmotic pressure + capsular hydrostatic pressure) ...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4968
Juxtaglomerular apparatus is made up of Answer: Juxtaglomerular cells are the smooth muscle cells of both the afferent and efferent arterioles that are swollen and contain dark granules. These cells secrete renin. Macula densa are th...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4969
A large quantity of fluid is filtered everyday by nephrons in the kidneys but only about 1% of it is excreted as urine. The remaining 99% of the filtrate Answer: A comparison of the volume of the filtrate formed per day (180 litre...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4972
The given figures shows reabsorption and secretion of major substances at different parts of the nephron. The movement of which of the following substances is wrongly depicted? Answer: NH3 is secrete...
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NEET - Grade 11 - Biology - Excretory Products and their Elimination - Study ref# 4975
Long ducts of collecting tubules extend from Answer: Long ducts of collecting tubules extend from cortex to inner part of medulla. ...
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