http://www.bioedonline.org/body-explained/

Why Do Our Ears Pop?
Do Hair and Fingernails Grow After You Die?
What Causes Your Stomach to Growl?
Why Does Your Nose Run When You Cry?
What Makes Our Teeth Chatter When We Get Cold?
Why Do We Sneeze?
Sleepy Legs
What Causes Goose Bumps?
What Causes Hiccups?
What Causes an Ice Cream Headache?
What is That Little Thing That Hangs Down in the Back of Your Throat?
Why Do Onions Make You Cry?
What Causes Blushing?