From the list of individual sports in which an individual can compete, like swimming, diving, running, ice skating, wrestling, gymnastics, golf, tennis, skateboarding, in-line skating, biking, martial arts, and bowling, I think that swimming would be the most strenuous to play because it requires strength in specific muscle groups, endurance, and lots of power.
D)H-S-V-one, and not H-S-V-two, can be passed on from mother to infant during childbirth. Hope this helped :)
Reacts to stimuli
send messages to brain
You will get "smokers cough". Your cilia catches toxins and try's to get rid of them- your body coughs it up