What are main valves in the cardiovascular system? check all that apply.
capillary
aortic
tricuspid
mitral
platelet
pulmonary
plasma

Which is an example of a food group? a. oils b. vegetables c. water d. sweets

Explain what is meant by the phrase “ethical behavior”.

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.