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प्रश्न
Define the following:
Excretion
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उत्तर १
During different metabolic activities taking place in our body, the body produces many substances, of which some are useful and some are useless.
The process of removing useless and harmful metabolic waste substances is called excretion.
उत्तर २
The process of removal of chemical wastes (Mainly Nitrogenous) from the body is known as ''excretion''. It plays an important role in maintaining the homeostatic (steady-state) condition of the body.
संबंधित प्रश्न
Match the terms in Column I with those in Column II and write down the matching pairs
| Column I | Column II | |
| a | Bowman's Capsule | Renal artery |
| b | Contains more CO2 and less urea | Regulates amount of water excreted |
| c | Anti-diuretic hormone | Renal Vein |
| d | Contains more urea | Glomerulus |
Given below is the figure of certain organs and associated parts in the human body. Study the same and answer the question that follow:
Name the structural and functional unit of the part marked '1'.
Think of the following: Tears, sweat, saliva, milk, Insulin, urine.
What are these excretion or secretion ? Why ?
Name the Following
Major excretory organs of man.
What are some common excretory product?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
A diuretic increases the amount of urine.
Match the parts given in Column I with their physiological processes given in Column II.
| Column I | Column II | ||
| i. | Proximal convoluted tubule | a. | Formation of concentrated urine |
| ii. | Distal convoluted tubule | b. | Filtration of blood |
| iii. | Henle's loop | c. | Reabsorption of 70-80% of electrolytes |
| iv. | Vasa recta | d. | Ionic balance |
| v. | Malpighian body | e. | Counter mechanism |
Which are the two main organic wastes present in urine?
In between the two adjacent renal pyramids, ..A ... is present. Identify A
Urethral external sphincter present between urinary bladder and urethra is made up of ______ muscles, and is ______ in nature.
