In heterosexuals, discuss how STIs are passed from to another, and if not passed, explain not.

People who have an STD may be at an increased risk of getting HIV.1-3 One reason is the behaviors that put someone at risk for one infection (not using condoms, multiple partners, anonymous partners) often put them at risk for other infections. Also, because STDs and HIV tend to be linked, when someone gets an STD it suggests they got it from someone who may be at risk for other STDs and HIV. Finally, a sore or inflammation from an STD may allow infection with HIV that would have been stopped by intact skin.

Explanation:

STIs are passed through sexual contact/intercourse and can also be passed through blood and other body fluids. for example aids can be passed through a aids victims blood getting into you're system

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.