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:
<span>Not much greater than those of a normal-weight person of similar height.</span>
Answer:
-carries oxygen and nutrients
-helps produce infection-fighting cells
The answer is true and the reason why is because
