Why Does Your Nose Often Run When You Eat Spicy Food? Your immune system thinks you have a cold Your stomach produces extra mucus Spicy compounds stimulate nerves in the…

Which Part Of The Eye Determines How Much Light Enters? Retina Cornea Iris Optic nerve Did You Know! A person can carry a disease-causing organism without ever feeling sick. These…

Which Body System Controls Automatic Functions Like Heart Rate And Digestion? Autonomic nervous system Skeletal system Lymphatic system Reproductive system Did You Know! Some cancers can spread years—or even decades—after…

What Is The Purpose Of Earwax? It has no useful purpose It helps protect and clean the ear canal It improves hearing volume It regulates balance Did You Know! Your…

Which Body Part Contains The Fastest-Moving Muscles In The Body? Eyes Fingers Jaw Heart Did You Know! A skin problem can sometimes be the first visible sign of an internal…

What Is The Medical Name For The “Voice Box”? Pharynx Larynx Trachea Bronchus Did You Know! Certain skin conditions can follow invisible “lines” on the body. Some disorders appear along…

Which Substance Gives Red Blood Cells Their Color? Collagen Hemoglobin Keratin Melanin Did You Know! Some skin disorders can be triggered by the nervous system. Stress and emotional strain can…

Which Part Of The Body Contains More Than Half Of All The Bones In An Adult Skeleton? Skull and spine Hands and feet Rib cage Arms and legs Did You…

Which Everyday Activity Can Provide Meaningful Health Benefits Even If It Is Not Intense Exercise? Walking Holding your breath Skipping meals Staying seated all day Did You Know! Kidney Disease…