What system is not affected by the common cold?

A cold is an infection of the upper respiratory system. This just means it can affect the nose, throat, and sinuses. A cold virus gets inside your body and makes you sick. The rhinovirus is the most common cold virus, but more than 200 viruses can cause colds.

Explanation:

one time i was looking at my neighbors screen door to see if the door was open i was squinting like a fool for 10 minutes before realizing he was starring back i then died from embarrassment and am now typing this from the ghost world