Compare and contrast the differences between active peer pressure and passive peer pressure. Sexual relationships can be risky, especially for teens. One risk associated with sexual activity are sexually transmitted infections, or STIs. Why do think many teens engage in sexual activity even though it can be very dangerous to their health?

Explanation:

many teens engage in it because they are curiouse and because they feel it will be fun  and they feel that if they enjoy it that they should there for try to convince others to do so   because they are doing it and they are  having fun so  they think why not try convincing others to have the same fun

answer; i believe its the red blood cells; plz check first good luck