Question

What two (or more) systems are involved in this process? What are the systems involved in one of these situations Sneezing, Blushing or Hitting your head on the top of the car as you get into it
80% OF QUESTIONS ARE ANSWERED IN UNDER 10 MINUTES it's been 20 minutes i'm the other 20%

Answer 1

Touching a hot pan and yanking your hand away: Pain and reflexes
     
Jumping up and down: Equilibrium and depth perception.
     
Drinking water on a hot day: Dehydration and lowering your temperature.
     
Sneezing: reaction to dust, smut, grains, or allergies.

Blushing: The rising of your blood temperature and nervousness.

Hitting your head on the top of the car as you get into it: Pain and depth perception.
   
Breathing harder during a jog: increased heart rate, blood flow, and less oxygen.