The causative agent of madcow disease is a
virus
bacterium
prion
worm.
Tobacco contains ........... which raise blood pressure and increase heart rate.
The depression of nervous activity is caused by which of the following drug
Which one of the following is found in the mouth of human beings
Assertion : Histamine is involved in allergic and inflammatory reactions.
Reason : Histamine is a vasodilator.
In which of the following disorder, the alveoli get filled with fluid leading to severe problems in respiration?