Answer:
Because they don't use a variety of muscles as much as they could by doing more sports so when they use the lesser used muscles, they could get hurt.
Explanation:
"You are immune to the virus so it is safe for your toddler to receive the vaccine at this time"
I think it’s B.. I’m not for sure though
Answer is B. Hope this helps!
The answer is A. The short periods of intense activity are called intervals and it is used in strength building exercises.
