Answer:
c. choosing classes
Explanation:
Because that is the main thing is picking your classes that your interested in.
The thymus<span> serves a vital </span>role<span> is a training and development of T-lymphocytes</span>
The answer is most likely than, it is because the poor does not acquire large sum of money where in they could use to ensure safety in terms of their health. Such as having enough money to have regular check ups, vaccines or medicine. They would likely spend the money that they acquire to food and shelter because it is more essential to them. That is why they are prone to have or acquire diseases than the affluent.
The answer to this question is D. Colon
According to popular belief, Most medical workers think that the colon does not possess any form of digestive system.
But, Recent research shows that several test subjects actually could absorb energy from starch and nonstarch polysaccharides from their colon