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Question
Why is it necessary to maintain a normal osmotic concentration of the blood?
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Solution
Maintaining a normal osmotic concentration in the body means regulating the percentage of water and salts. If this regulation mechanism fails we either end up losing vital salts and water or may accumulate unwanted salts and excess water in our body.
RELATED QUESTIONS
Draw a diagram of the human excretory system and label the various parts.
Write the functions of Kidney
Differentiate between the following pairs of terms:
Bowman’s capsule and malpighian capsule.
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: Ureter
Complete the following sentence with appropriate word:
The U-shaped portion of a nephron located in the medulla region is called ______.
Choose the correct option.
Visceral layer : Podocytes :: PCT : ________.
Choose the correct option.
The minor calyx _______.
Identify the correct labels for A and B in the following diagram
