Which of the following is correct? Air entering the alveoli is high in oxygen and blood entering the capillaries surrounding the alveoli are high in CO2

Air entering the alveoli is high in CO2 and blood entering the capillaries surrounding the alveoli are high in O2

The purity of ecstasy is always in question, why? (short answer)

Which of these is an example of how the media might perpetuate a sexual stereotype? a) a lesbian couple is shown adopting and caring for a child. b) a lesbian is depicted as masculine. c) a male homosexual is depicted as masculine. d) a homosexual relationship is shown to be commited and monogamous.

Lifestyle diseases are caused by a combination of