Which Body Part Has The Smallest Bones? Fingers Nose Ear Toes Did You Know! Your Body Can “Freeze” Mid-Movement In a disorder known as Cataplexy, strong emotions like laughter or…

Which Part Of The Body Heals The Slowest Due To Limited Blood Supply? Muscle Cartilage Skin Liver Did You Know! Some People Are “Allergic” to Water A rare condition called…

Which Organ Uses The Most Energy At Rest Compared To Its Size? Brain Liver Heart Kidneys Did You Know! Hemophilia does not always cause dramatic bleeding right away. Many assume…

Why Do Fingers Wrinkle In Water? Water absorption only Nervous system response Skin shrinking Bone movement Did You Know! Iron deficiency anemia can sometimes cause strange cravings called pica. Some…

Which Body Function Burns Calories Even While Sleeping? Digestion only Thinking only Breathing and metabolism Stretching Did You Know! Some people with sickle cell trait may never know they carry…

What Is The Average Human Skin Weight? 1 pound 5 pounds 8 pounds 20 pounds Did You Know! Some muscle disorders affect breathing before limb strength. Certain conditions weaken the…

What Happens When You Blush? Skin cools down Muscles tighten Sweat glands stop Blood vessels widen Did You Know! A common cholesterol medication side effect can mimic muscle disease. In…

How Long Can Most People Survive Without Sleep Before Serious Problems? 1 day 3 days 10 days 30 days Did You Know! Some muscle disorders first appear as repeated “clumsiness,”…

Which Nutrient Helps Build And Repair Muscles? Carbohydrates Fiber Calcium Protein Did You Know! Obsessive-Compulsive Disorder (OCD) can involve “pure thoughts” with no visible rituals. A lesser-known form sometimes called…