Is there a differance between std's and sti's? if so, what is the differance? what is one parasitic std or sti? can you die from herpes? which is worse, aids/hivs or herpes?

1. There really is no difference
2. An example is "Trichomoniasis"
3. You cannot die from Herpes but Herpes is a virus so it never goes away.
4. Both are dangerous but HIV/AIDS CAN kill you in time. 

Bmust be the answer, as technically all organs move, so a is incorrect. all organs are made of different types of cells, so that isn’t a problem, so c is also incorrect. human hearts are very similar to many other animals’ hearts, so d is also incorrect, yet the heart is made of muscle, which is hard to grow in the lab so it would be correct to say b