How is hiv transmitted through anal sex? can i get a detailed response?

Anal sex and HIV: Anal sex (putting penis into anus or rectum) is the riskiest sex for contracting HIV for both men and women. For the HIV-negative partner, receptive anal sex (“bottoming”) is riskier than insertive anal sex (“topping”). For a more detailed description: https://www.aids.gov/hiv-aids-basics/hiv-aids-101/how-you-get-hiv-aids/ https://www.cdc.gov/hiv/risk/analsex.html https://www.aids.gov/hiv-aids-basics/prevention/reduce-your-risk/sexual-risk-factors/