I am not sure if this is a true or false question, but I am guessing it is. So that would mean it would be False.
Answer:
The thymus lies in the chest behind the breastbone and above the heart. Relatively large in infancy, it increases in size until puberty and thereafter shrinks to only a few grams in old age.
Explanation:
Answer:
A. Deep groves can harbor bacteria.
Explanation:
amount of times you do something in a certain amount of time
