Which body part belongs to the curculatory system a) diaphragm
b) heart
c) trachea
d) kidney

What part of the female reproductive system produces ova

If birth rates fall below the replacement level, then a country is in which stage of demographic transition? a. urbanization/industrialization b. mature industrial c. postindustrial d. pre-modern

What would you call 2-1-1 for? a. product safety info b. after a car crash c. referral to suicide counseling d. after a home break in