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प्रश्न
Describe the structure of nephrons.
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उत्तर
Nephrons are the basic filtering units of kidneys. Each kidney possesses a large number of nephrons, approximately 1-1.5 million. The main components of the nephron are the glomerulus, Bowman’s capsule, and a long renal tubule.
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संबंधित प्रश्न
What are the methods used by plants to get rid of excretory products?
Write the functions of Kidney
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
Explain the principle of dialysis with the help of a labelled diagram.
The excretory unit in the human excretory system is called ______.
The procedure of cleaning the blood of a person by using a kidney machine is known as ______.
Fill in the blank.
Malpighian body consists of Bowman’s capsule and .....................
Fill in the blank.
....................... are present in the stem of pine tree that make the pinewood strong and durable.
Answer the following in short.
What is excretion?
Name the following:
The vein in which urea concentration is maximum
Explain the difference between the excretory system of humans and plants.
Name the following:
Functional unit of kidney.
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 (normally) contains the lowest concentration of glucose?
Describe in brief how urine is produced in the human body.
Name the Following
The term used for Bowman’s capsule and glomerulus together.
Complete the following sentence with appropriate words:
The outer surface of the kidney is ______ while the inner surface is ______.
Write the functional activity of the following structure: Renal artery
The number of ATP molecules required to produce one molecule of urea from the omithine cycle.
Bilirubin and Biliverdin are pigments which are ____________.
Elimination of nitrogenous wastes in the form of uric acid takes place in ____________.
