What is the difference between STD and STI?

Im laughing rn LOL

Explanation:

STD stands for sexually transmitted disease, whereas STI means sexually transmitted infection. Essentially, the difference is between a disease and an infection. Not all diseases begin with infections, but many do. Sexually transmitted disease first begin as sexually transmitted infections.

Explanation:

hi there! ‍ how old are you?

answer; /// i believe that the correct answer is (c); ///when the lungs expand, they fill with air from the atmosphere;