First slide

Air Pollution and its Control

Question

Noise causes sleeplessness, increased heart beat, altered breathing pattern, thus considerably stressing humans. The hormones associated with such effects are

Moderate

A

PTH and TCT.
B

adrenaline and cortisol.
C

thymosins and melatonin.
D

insulin and glucagon.

Solution

Noise pollution causes anxiety, stress, irritability, sleeplessness and increase in heart rate. Scientists found that exposure to noise pollution resulted in an increase of blood and saliva concentrations of cortisol, adrenaline and noradrenaline in the study subjects. These hormones prepares the human body to deal with the stress. At the same time, chronic high levels of these will lead to hypertension and cardiac problems.

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