What two (or more) systems are involved in this process?

How are they involved?

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Touching a hot pan and yanking your hand away

Jumping up and down

Drinking water on a hot day

Sneezing

Blushing

Hitting your head on the top of the car as you get into it

Breathing harder during a jog

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.