The carrier of virus causing human yellow fever is

Cancer cells are more easily damaged by radiation than normal cells because they are

Cocaine interferes with the transport of the neuro-transmitter .........

Smoking increases ______ content in blood and reduces the concentration of haembound oxygen. Fill the blank suitably

Some diseases are transmitted through contaminated articles. The method is called

Certain pathogens are tissue/organ specific. Justify the statement with suitable examples.