For preventing stds use a condom birth control or abstinence
An electrical shock happens when an electric current enters the body at one point and leaves through another
Leaving food out in temperatures between -17°C and 45°C. That's the danger zone!
Hmm. Let's see. I don't think it's D. And recognizing sources in stress does help, but I think the first thing is knowing that someone has too much stress, so i think the answer is A.
Answer:a
Explanation: because blood is pumped out of the heart and into the body to supply oxygen to working muscles or to the lungs for re-oxygenation
