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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
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
Fill in the blank :
Evaporation of sweat from the skin surface has ............... effect.
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
Fill in the blank.
........................ is found in the seeds of poppy plants.
Write down the functional activity of the following parts,
Urethra ……………………
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtration occurs under pressure on the blood as a result of systolic pressure of the heart.
Write the functional activity of the following structure: Bowman’s capsule
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?
What solute is normally present in the body to estimate GFR in humans?
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.
If Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?
Identify the biological term
Removal of useful substances from glomerular filtrate.
The human kidney is histologically divided into ____________.
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?
The following substances are the excretory products in animals. Choose the least toxic form among them?
A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate ______.
