True or False: There are more than 25 Sexually Transmitted Diseases.

Does anyone know how to dissect a frog or baby squid?

Which of these is the best example of sexual objectification? a) a female initiates a conversation with another female. b) a male proposes marriage to a female. c) a female makes repated coments to a male about his appearence. d) a female proposes marriage to a male.

Why do you need two different circuits of blood vessels in your body?