Why you bully me? Wish that i was enough

Blood cells bring oxygen to cells and take carbon dioxide away. true or false

How do healthier citizens save the government money?

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.