Nicotine acts as a stimulant because it mimics the effect of
Thyroxine
Acetylcholine
Testosterone
Dopamine
Excessive dosage of cocaine causes
Which of the following toxic substance is responsible for the chill and high fever recurring every three to four days in malaria?
Resistance against pathogens is due to
Vermiform appendix is made up of
Why carbon monoxide ($CO$) poisonous for man?