Vaccines are used to prevent infections, usually viral.
Some antibiotics act by killing bacteria.
A healthy adult heart rate can range from 60 to 100 beats per minuteduring rest. Kids' heart rates can be as low as 60 beats per minute during sleep and as high as 220 beats per minute during strenuous physical activity.
True. Lactic acid is caused by strenuous exercise. The lactic acid is formed because while working out, you don't receive as much oxygen.
A. Depressants because its used to treat depression and other pschylogical problems.
