For preventing stds use a condom birth control or abstinence
Exfoliation is the process of a tooth becoming loose and falling out from the primary dentition, I'm pretty sure.
Hope this helps^^^
In a relationship, there are benefits or rewards for both partners. They each gain something from eachother by being together,
Answer: An organism is a living thing that can preform all the life functions.
Genes in the DNA tell the cells which proteins to produce, which determines certain traits
