Which of the following is a flap of tissue in the heart that prevents blood from flowing backwards?
atrium
pacemaker
septum
valve

Which statement about consumer rights is true? only celebrities have the right to complain about products that do not work. consumers can always get their money back if they dislike a product purchased. consumers are not allowed to complain about a product after it is purchased. everyone has the right to participate in making laws that affect consumers.

Which of the following can refer to the form of exercises that uses free weights, weight machines. resistance bands, or the weight of the body to put stress on the muscles ? (a) strength training(b)weight training(c)resistance training(d) all the above

Which consequence of drug abuse most directly affects the community? a. fines b. criminal record c. loss of driver’s license d. incarceration