The vaccine gardasil that targets human papilloma virus (hpv), the etiological agent of genital warts, was developed after the anti-hpv medication podofilox. why would doctors still want a vaccine created after anti-viral medications were available?

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

c. heat from the poles back down towards the equator.