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Question
The diagram given alongside is that of a structure present in a human kidney:
Study the same and answer the questions that follow:
- Name the structure represented in the diagram.
- What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule - What is the fluid that comes to part ‘2’ called? Name the main nitrogenous waste in it.
- Mention the three main steps involved in the formation of the fluid mentioned in (c) above.
- Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus
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Solution
- Nephron
- The liquid entering part 1 is called glomerular filtrate, which is formed by the ultrafiltration of blood through the glomerulus. The two substances present in this liquid are glucose and water.
- The fluid that comes to part 2 is called urine. The main nitrogenous waste in urine is urea.
- The three main steps involved in the formation of urine are:
- Ultrafiltration
- Selective reabsorption
- Tubular secretion
- Glucose
RELATED QUESTIONS
Describe the structure of nephrons.
Name the Following
The organ which produces urea.
Complete the following sentence with appropriate word:
______ is the functional unit of kidney.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
State the Location: Renal pyramids
Write the functional activity of the following structure: Renal vein
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
Answer the following question.
Why do we get bad breath after eating garlic or raw onion?
Among the following animals, the best conserver of water is ______.
Choose the odd one out in the following set and write the category for the remaining term:
Ammonia, urea, excess sodium chloride, uric acid
