What Percentage Of The Human Brain Is Water? 25% 50% 73% 90% Did You Know! Some Skin Conditions Can Be Triggered by Sunlight—Within Minutes Certain skin disorders, like photosensitivity reactions…

How Many Bones Are In The Adult Human Body? 106 206 306 406 Did You Know! Stress Can Actually Make Allergic Reactions Worse Stress doesn’t just affect your mood—it can…

What Is The Fastest Healing Part Of The Body? Tongue Skin Liver Eyes Did You Know! Your Gut Bacteria May Determine Whether You Have Allergies A growing body of research…

How Many Times Does The Average Human Heart Beat Per Day? 10,000 50,000 100,000 250,000 Did You Know! You Can Develop Allergies Later in Life—Even in Your 50s or 60s…

Which Organ Helps Regulate Blood Pressure By Controlling Fluid Balance? Pancreas Kidneys Spleen Gallbladder Did You Know! Your Lungs Can Grow Bone Tissue In a rare disorder called Pulmonary Ossification,…

Which Body Fluid Contains Enzymes That Start Digestion Before Food Reaches The Stomach? Tears Saliva Sweat Mucus Did You Know! A “Broken Heart” Can Physically Damage Your Heart Extreme emotional…

What Tiny Body Structure Is Responsible For Preventing Food From Entering Your Lungs? Epiglottis Tonsils Vocal cords Thyroid Did You Know! Stress can trigger skin to “forget” its pigmentIn conditions…

What Unusual Thing Happens When You Chew Food Thoroughly? Your metabolism stops briefly Your brain receives fullness signals sooner Your stomach produces less acid Your heart rate drops Did You…

Which Body System Helps Regulate Both Mood And Digestion? Gut microbiome and nervous system connection Respiratory system Skeletal system Endocrine glands only Did You Know! Some skin conditions can literally…