Answer: Ambulatory monitoring of the electrocardiogram in 100 healthy 14 to 16 year old boys showed heart rates ranging from 45 to 200 beats/minute during the day and from 23 to 95 beats/minute during sleep.
Answer:
the last three are just ugh but i think it would be the first one because they are like actually touching you
Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
the answer to this question is actually the letter B