Get some friends
get good grades
go do some sports
don't be pressured
get a girlfriend or boyfriend
Explanation:
During implantation, the trophoblast differentiates into two distinct layers: the inner cytotrophoblast, and the outer syncytiotrophoblast.
Those that are lactose intolerant can have milk without the lactose in it but those with milk allergies can't have milk at all unless they take some kind of special medication for it.
Answer: first line of defense
Explanation:
