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प्रश्न
How is urea formed in the human body?
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उत्तर
More toxic ammonia produced as a result of breakdown of amino acids is converted into less toxic urea in the liver by a cyclic process called Ornithine cycle.
संबंधित प्रश्न
What is meant by the term osmoregulation?
Draw neat and labelled diagrams of Malpighian capsule
Which of the following is the correct path taken by urine in our body?
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Medulla of kidney passes urine into urinary bladder.
Where in the urinary system do the following processes take place?
- Urine formation: ______.
- Transport of urine away from kidney: ______.
- Temporary storage of urine: ______.
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?
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Concentration of urine depends upon which part of the nephron
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
Produced when blood is filtered in a Bowman’s capsule.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Removal of useful substances from glomerular filtrate.
Proximal convoluted tubule differs from distal convoluted tubule being lined by ______
First step in urine formation is ______.
The pH of human urine is approximately ______.
Complete the following:
Urinary excretion = Tubular reabsorption + Tubular secretion –
Name the substances other than water, that are reabsorbed during urine formation. What are the two parameters that decide the amount of water that is reabsorbed in the kidney?
