Which is not one of the main functions of the cardiovascular system

fighting disease
removing wastes from cells
taking oxygen into the body
delivering materials to cells

22. which situation describes the appropriate use of drugs? a. using your friend’s prescription drug according to label instructions b. using an over-the-counter drug according to your friend’s instructions c. using an over-the-counter drug according to label instructions d. using your friend’s prescription drug according to your friend’s instructions

  when we experience conflict, it threatens our needs to feel

Second hand smoke can be almost as harmful as smoking. true or false?