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प्रश्न
What is micturition?
What is Micturition? Explain.
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उत्तर
When the urinary bladder is full the urine is expelled out through the urethra. This process is called micturition.
संबंधित प्रश्न
What is meant by the term osmoregulation?
Glucose is taken back from glomerular filtrate ___________
(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion
Draw neat and labelled diagrams of Malpighian capsule
Define the following:
Dialysis
Define the following:
Nephron
Fill in the blank.
When air is humid, the rate of transpiration is ..................
Give the working of the nephron.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sometimes urine may contain certain excess vitamins.
Multiple Choice Question: Ultrafiltration occurs in:
When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
Glomerular filtrate contains ______.
Identify the biological term
Regulation of water and dissolved substances in blood and tissue fluid.
What is tubular secretion? Name the substances secreted through the renal tubules.
Na+ excretion in the urine is reduced by secretion of ______
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Complete the following:
Urinary excretion = Tubular reabsorption + Tubular secretion –
