Which describes the role of the heart in the cardiovascular system? it delivers glucose to cells. it pumps blood through blood vessels. it fights disease with special cells. it pushes carbon dioxide through the lungs. description

Which of these is most likely to prevent pregnancy? a. tracking of female body temperature to identify ovulation times b. proper condom use c. male withdrawal before ejaculation d. proper spermicide use

Which term matches this definition? treating all human blood and other potentially infectious material, as if known to be infectious, for bloodborne pathogens. a. exposure control plan b. engineering controls c. universal precautions d. personal protective equipment

Which short-term goal might prompt someone to seek for mental and emotional challenges? saving for retirement buying a house in 10 years reducing conflict with family owning a company eventually