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प्रश्न
Name the following;
Three nitrogenous wastes of our body.
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उत्तर
- Urea
- Uric acid
- Ammonia
संबंधित प्रश्न
Define excretion. Name the excretory unit of a kidney.
Draw a neat labelled diagram of the human excretory system.
Why is it necessary to maintain a normal osmotic concentration of the blood?
Differentiate between the following pairs of term :
Renal pelvis and renal papilla
Explain in your own words with suitable examples.
How does excretion occur in human beings?
The following diagram represents a mammalian kidney tubule (nephron) and its blood supply.
Parts indicated by the guidelines 1to 8 are as follows:
1. Afferent arteriole from renal artery
2. Efferent arteriole
3. Bowman's capsule
4. Glomerulus
5. Proximal convoluted tubule with blood capillaries
6. Distal convoluted tubule with blood capillaries
7. Collecting tubule
8. U-shaped loop of Henle
Study the diagram and answer the question that follow:
Which structure contains the lowest concentration of urea?
Write the functional activity of the following structure: Henle’s loop
Complete the diagram/chart with correct labels/ information. Write the conceptual details regarding it.
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Why is the rate of breathing in aquatic organisms much faster than in terrestrial organisms?
