It is possible to get some STIs through a blood transfusion, most commonly aids, however if you are getting the blood transfusion from a hospital or the red cross your chances of getting an STI are next to none because they test all the blood and stuff.<span />
The mouth because the digestive process begins when your teeth break down the food and then your saliva continues to break the food down and assist with swallowing and moving it along the rest of the digestive tract
Let their parents know because I'm concerned for my friend
The answer to this question is .... I dont know
