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प्रश्न
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
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उत्तर
Ureotelic animals excrete urea with minimum loss of water, e.g., Mammals and terrestrial amphibians. Uricotelic animals excrete uric acid with the least loss of water, e.g., Birds and reptiles.
संबंधित प्रश्न
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
Dialysis fluid contains all the constituents as in plasma except ______.
Draw neat and labelled diagrams of Malpighian capsule
Define the following:
Dialysis
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
Answer the following in detail.
Explain the structure of a nephron with the help of a diagram.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtrate consists of many substances such as water, salts, glucose and white blood corpuscles.
Multiple Choice Question: In the Bowman’s capsule:
Mention any two vital functions of human kidney
Higher Order Thinking Skill
Why do you think that urine analysis is an important part of medical diagnosis?
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
Produced when blood is filtered in a Bowman’s capsule.
Identify the biological term
Carry urine from the kidneys to the bladder.
Identify the biological term
What solute the blood contains that are not present in the glomerular filtrate?
The human kidney is histologically divided into ____________.
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
The pH of human urine is approximately ______.
What are the main processes of urine formation?
How does tubular secretion help in maintaining ionic and acid-base balance in body fluids?
