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7.Human Health and Disease
medium
Nicotine is
A
An alkaloid
B
Steroid
C
Stimulant
D
Both $(a)$ and $(c)$
Solution
Tobacco contains large number of chemical substances including nicotine, an alkaloid. Nicotine stimulates adrenal gland to release adrenaline and noradrenaline into blood circulation, both of which raise blood pressure and increases the heart rate
Standard 12
Biology
