I believe it is B. Because during vigorous exercise, the heart rate and depth of breathing increases to supply muscles with more oxygen.
Answer:
there's no pic for options?
The smallest part of a teen's diet should be sweet drinks, candy, sweet foods, cakes, high-fat foods, junk foods (that's all one category). ( sorry if i’m
wrong <3 ! )
B. Subcutaneous
this means that the needle goes into the fat layer of the skin.
it does NOT go into the muscle.
hope this helps.