Answer:
They're immune system has become used to it
Explanation:
In the following organizations namedly as the CMS, NCHS and AHIMA, there is also another organization where it also deals with the in-depth code practices and principles. It is called the AHA or also known as the American Heart Association.
Teens, athletes and pregnant women need the most calories per day.
Teens need more because they're still growing.
Athletes need extra calories to burn during their exercise.
Pregnant women because they need to feed the baby and themselves.
(Don't know how to explain)
Hope this helps, mark brainliest please!
As teens move through adolescence,
A. Freedom increases, but so does responsibility.
This is because it is the only answer that makes sense. When you become a teenager, your parents give you more freedom, but it is up to you to make sure that you control this new freedom in a responsible way.
The answer isn't B or D, because freedom increases as you grow older; it doesn't decrease as these answer choices suggest.
The answer isn't C, because as teens move through adolescence, their parent's expectations increase as they give them more freedom.
So, the answer is A.