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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
Sketch and label ‘L.S. of human kidney’
Protein-free fluid is filtered from blood plasma into the Bowman’s capsule.
Tick the most appropriate answer.
A network of capillaries present in the Bowman’s capsule is called
Name the main nitrogenous metabolic waste excreted out by mammals including humans.
Choose the correct answer:
Presence of RBCs in urine is called _____________
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :
Label parts 1, 2, 3 and 4.
Differentiate between:
Excretion and Secretion.
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 |
The nitrogenous wastes are removed from the body by the endocrine system.
Which blood vessel has largest amount of urea?
