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प्रश्न
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
उत्तर
- Raw onion and garlic contain volatile sulphur-containing compounds.
- Sulphur-containing compounds have a distinctive odour which remain in the mouth after consumption of onion and garlic.
- Also, volatile compounds (like certain sulphur containing compounds) in foodstuffs are generally excreted through the lungs and may result in bad breath.
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संबंधित प्रश्न
Why is it necessary to excrete waste products?
Name the basic filtration unit present in the kidney.
Name an animal which absorbs oxygen through its moist skin.
Name the two parts of a plant through which its gaseous waste products are released into the air.
In humans, urea is formed in
Name the following:
Functional unit of kidney.
The diagram below represents a mammalian kidney tubule (nephron) and its blood supply. Parts indicated by the guidelines 1 to 8 are as follows:
1. U-shaped loop of Henle
2. Proximal convoluted tubule with blood capillaries
3. Bowman’s capsule
4. Afferent arteriole from the renal artery
5. Glomerulus
6. Venule to the renal vein
7. Collecting tubule
8. Distal convoluted tubule with blood capillaries Study the diagram and answer the following questions in each case:
(i) Where does ultrafiltration take place?
(ii) Which structure contains the lowest concentration of urea?
(iii) Which structure contains the highest concentration of urea?
(iv) Which structure contains the lowest concentration of glucose?
(v) Where is the most water reabsorbed?
Write the functional activity of the following structure: Renal vein
Choose the Odd One Out:
Osmoregulation maintains the osmolarity of blood at about ______.
