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प्रश्न
Identify the biological term
Regulation of water and dissolved substances in blood and tissue fluid.
विकल्प
Excretion
glomerulus
urinary bladder
glomerular filtrate
ureters
urine
Bowman’s capsule
urinary system
reabsorption
micturition
osmosis
proteins
उत्तर
osmosis
संबंधित प्रश्न
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Fill in the blank :
The unit of human kidney is called .....................
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
Fill in the blank.
When air is humid, the rate of transpiration is ..................
Explain the terms ultrafiltration and selective absorption
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
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.
Higher Order Thinking Skill
Why do you think that urine analysis is an important part of medical diagnosis?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
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 Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?
Identify the biological term
Consists of the kidneys, ureters and bladder.
Identify the biological term
Removal of useful substances from glomerular filtrate.
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
The following substances are the excretory products in animals. Choose the least toxic form among them?
The composition of glomerular filtrate and urine is not same. Comment.
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 ______.
