I believe the answer is the Exhaustion stage because it is the bodies reaction to stress. The body becomes extremely susceptible to sickness because it seems to lose to respond to any new stress. Hope I helped!
An asthma attack is when the muscles in your airway swell up, causing your airways so shrink. This is due to an allergic reaction, in witch you inhale something and your body "over reacts" to it.
Answer:
the distance between the solar planets.
Explanation:
You will have to look at the real space between them in real life, then convert it into cm, in. or larger depending on the size you want it to be.