Zygote!
extra characters so I can answer your question...
Answer:
It is D: a person panics in elevators and therefore avoids them.
Explanation:
I have a phobia my self called katsaridaphobia
Answer:
It was actually "weaker immune system". Just took the test and got it right.
Explanation:
All the other answers are short term effects. If you don't sleep for a day, your movements would be slower, you would be more tired and wouldn't be able to concentrate. However, if you just miss one day of sleep, your immune system ain't gonna suffer.
workout, eat healthy, do jumping jacks, do push ups
The answer is a because when your liver isn't working well enough to perform its functions (for example, manufacturing bile and ridding the body of harmful substances).