Which of the disease is not transmitted by house flies

One of the inflammatory reaction induced by histamine is

Diphtheria is due to .............

Lymphocytes secrete a protein which causes the dilation of blood vessels. The protein is

Kala -azar disease is causes by

Read the following statements
$a.$ Heroin, commonly called smack, is obtained by acetylation of morphine.
$b.$ Cocaine is obtained from the latex of Papaver somniferum.
$c.$ Dopamine is excitatory neurotransmitter.
$d.$ Morphine is an effective sedative and pain killer.
Mark the option which includes both correct statement