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प्रश्न
Give biological reasons for the following statements: There is frequent urination in winter than in summer
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उत्तर
In winter, our body does not need to store much water because the outside temperatures are low. Also, very less amount of water is lost through perspiration during winter. Hence, urination is more frequent in winter than in summer.
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संबंधित प्रश्न
Name the basic filtration unit present in the kidney.
The diagram given below is that of a structure present in a human kidney.
Study the same and answer the questions that follow:
1) Name the structure represented in the diagram
2) What is the liquid entering part ‘1’ called?
Name two substances present in this liquid that are reabsorbed in the tubule.
3) What is the fluid that comes to part ‘2’ called?
Name the main nitrogenous waste in it.
4) Mention the three main steps involved in the formation of the fluid mentioned in (iii) above
5) Name the substance which may be present in the fluid in part ‘2’ if a person suffers from Diabetes mellitus.
State whether the following statement is true or false:
Some organisms store wastes in body parts.
Name the two parts of a plant through which its gaseous waste products are released into the air.
Write the functional activity of the following structure: Aldosterone
Write the functional activity of the following structure: Henle’s loop
Write the functional activity of the following structure: Renal artery
Choose the correct option.
In human beings, uric acid is formed due to metabolism of ______.
Choose the correct option.
The minor calyx _______.
Bilirubin and Biliverdin are pigments which are ____________.
