I think c but not so sure
The age 18 is usually considered early adulthood but this does change based on where none lives, opinions, religion so this is not an exact number.
It can be sometimes be hard to adapt to change, especially if you have spent your whole life doing something else then suddenly changing it all.
Explanation:
Blood would stop pumping around, and you would die. Even if your heart missed one beat (basically a heart attack) you could potentially die.
Hope it helps! :)
