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प्रश्न
Define excretion. Write the four organs of the human urinary system in their correct sequence.
उत्तर
The process of elimination of unwanted and toxic products from the body is called excretion.
The four organs of the urinary system from above to downward are:
- kidneys
- ureter.
- urinary bladder
- urethra.
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संबंधित प्रश्न
Match the items of column I with those of column II:
| Column I | Column II | ||
| (a) | Ammonotelism | (i) | Birds |
| (b) | Bowman’s capsule | (ii) | Bowman’s capsule |
| (c) | Micturition | (iii) | Bony fish |
| (d) | Uricotelism | (iv) | Urinary bladder |
| (e) | ADH | (v) | Renal tubule |
Ascending limb of Henle’s loop is ______ to water, whereas the descending limb is ______to it.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
The kidneys are made up of tiny tubular units called :
Write down the functional activity of the following parts,
Glomerulus …………………
Name the main nitrogenous metabolic waste excreted out by mammals including humans.
Draw and label the diagram.
Human excretory system
Name the following:
Organ which produces urea.
Name the Following
Thin membranous sac serving as the reservoir of urine.
Name the tube which connects the kidneys to the urinary bladder.
The nitrogenous wastes are removed from the body by the endocrine system.
