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प्रश्न
Define the following:
Excretory organs
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उत्तर
During different metabolic activities taking place in our body, the body produces many substances of which some are useful and some are useless.
If retained in the body the unwanted substances may become poisonous and cause much harm and in severe cases, even death. The organs which remove these unwanted and toxic substances from the body are called excretory organs.
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संबंधित प्रश्न
Name the following:
Cortical portions projecting between the medullary pyramids in the human kidney.
Give significance of podocyte
Give a simple definition of excretion.
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Column 2 is a list of items related to ideas in Column 1. Match the term in Column 2 with the suitable idea given in Column 1.
| Column 1 | Column 2 | ||
| i | Liver | a | basic unit of the brain |
| ii | Ova | b | stimulated by light |
| iii | Alveoli | c | deoxygenated blood |
| iv | Cochlea | d | part of the sclera |
| v | Vein | e | haploid cell |
| vi | Neuron | f | blind sacs |
| vii | Stomata | g | found in the kidney |
| viii | Grana | h | audio receptors |
| i | diffusion of gases | ||
| j | breakdown of proteins | ||
| k | diploid cell | ||
Where does facultative reabsorption of sodium ions and water take place?
Which of the following statements is not correct?
The loop of Henle lies in ______.
Draw the human excretory system and label the parts.
Kidneys are reddish brown and
