Sand fly spreads a particular type of disease by its
proboscis
Mandible
Salivary gland
None of these
Blood circulation was discovered by
An additional risk of drug addiction, especially of heroin is
$A$ - Smoking increases $O_2$, content in blood. $R$ - Nicotine stimulates adrenal gland.
Assertion: Epstein-Barr virus is an oncovirus.
Reason: It stimulates the growth of cancer.
The cancer of the epithelial cells is called