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प्रश्न
Answer the following in detail.
Describe the process of urine formation.
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उत्तर
The process of urine formation takes place in the following steps:
- Glomerular Alteration: Blood containing waste material enters the kidneys through the renal artery. It then enters the glomerulus under high pressure. Water and small solutes are filtered in the Bowman’s capsule.
- Tubular reabsorption: Filterate passes through the thin walls of the Bowman’s capsule into the urinary or renal tubule. As it passes through the tubule, water, and many useful substances are reabsorbed by the renal blood capillaries.
- Tubular secretion: The remaining liquid, along with wastes such as urea, uric acid, etc., is called urine and is collected in the urinary bladder.
- Excretion: Urine leaves the kidneys and passes into the urinary bladder through the ureters. When the urinary bladder is full, urine is passed out through the urethra.
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संबंधित प्रश्न
Differentiate between the following pair on the basis of what is indicated in the bracket.
Ureter and Urethra [function]
Draw a neat labelled diagram of the human excretory system.
Fill in the blank :
Nitrogenous wastes in the urine are in the form of urea and .....................
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Describe in brief how urine is produced in the human body.
Differentiate between:
The Renal artery and the Renal vein.
State the Location: Renal pyramids
Write the functional activity of the following structure: Kidney
Choose the correct option.
Deproteinised plasma is not found in ______.
Leaves of a healthy potted plant were coated with vaseline. Will this plant remain healthy for long? Give reasons for your answer.
