A _____ is a flat vascular birthmark made up of dilated blood vessels.
A) pigmented birthmark
B) capillary hemangioma
C) vascular birthmark
D) port-wine stain
Question 2
____________________, which is caused by the bacterium Chlamydia trachomatis, is the most commonly reported sexually transmitted disease in the United States.
Fill in the blank(s) with correct word