Match the hormone with its functions. P Melatonin I It plays an important role in the regulation of the basal metabolic rate. Q Aldosterone II It stimulates the reabsorption of Na + and water and excr

Question

Match the hormone with its functions.

P	Melatonin	I	It plays an important role in the regulation of the basal metabolic rate.
Q	Aldosterone	II	It stimulates the reabsorption of Na⁺ and water and excretion of K⁺ and phosphate ions.
R	Thyroxine	III	It stimulates reabsorption of Ca⁺² by the renal tubules and increases Ca ⁺² $^{}$ absorption from the digested food.
		IV	It helps in maintaining the normal rhythms of the sleep-wake cycle and body temperature.
		V	It stimulates the breakdown of glycogen resulting in an increased concentration of glucose in the blood.

TestHub · Accepted Answer

Functions of melatonin: Melatonin is very important for the regulation of a 24-hour (diurnal) rhythm of our body, for example, It helps in maintaining the normal rhythms of the sleep-wake cycle, body temperature, etc. It also affects metabolism, pigmentation, menstrual cycle and our immune system.

Functions of aldosterone: Aldosterone mainly acts at the renal tubules and increases the reabsorption of ${N a}^{+}$ and water and excretion of $K^{+}$ and phosphate ions. Thus it helps in maintaining electrolyte levels, body fluid volume, osmotic pressure and blood pressure.

Functions of Thyroxine:

a. Regulation of the basal metabolic rate (BMR).

b. Regulate the process of red blood cell formation and the menstrual cycle.

c. Controlling the metabolism of carbohydrates, proteins and fats.

d. Maintenance of water and electrolyte balance.

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