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प्रश्न
Which of the following is not an example of secretion?
विकल्प
Saliva
Gastric juice
Urine
Milk
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उत्तर
Urine
Explanation:
Urine is an excretory product, while secretions include saliva, gastric juice, and milk.
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संबंधित प्रश्न
Draw a diagram of the human excretory system and label the various parts.
What are the methods used by plants to get rid of their waste products?
Name the following:
The vein in which urea concentration is maximum
Answer the following question:
Explain the human excretory system with the help of a suitable diagram.
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?
Explain the Term: Glomerulus
Name the Following
The branch of renal artery which enters into Bowman’s capsule.
Give Technical Term:
The organ in man concerned with maintaining water balance in the body.
Choose the correct option.
Specific gravity of urine would _______ if level of ADH increases.
Identify the correct labels for A and B in the following diagram
