Hiv be transmitted by: semen in the vagina

that is true

Explanation:

HIV can be transmitted through body fluids; i.e. blood, s-emen, v-aginal fluid, a-nal mucus, and b-reast milk

(had to do the dash because of word choice not approved by/p>

need more in formation

answer(b) keep oxygenated and deoxygenated blood separate;