What Gas Do Humans Primarily Exhale When Breathing? Oxygen Nitrogen Carbon Dioxide Hydrogen Did You Know! You Have a Second Brain in Your Gut: Your gut contains around 100 million…

Which Of These Nutrients Provides The Most Energy? Carbohydrates Fats Proteins Vitamins Did You Know! The molars are used for grinding food: Your molars, located at the back of your…

How Many Chambers Does The Human Heart Have? 2 3 4 5 Did You Know! Humans have two sets of teeth in their lifetime: We first get a set of…

Which Is The Largest Gland In The Human Body? Pancreas Liver Thyroid Spleen Did You Know! Teeth are the hardest substance in the human body: Enamel, the outer layer of…

What Is The Name Of The Pigment Responsible For The Color Of Your Skin? Keratin Hemoglobin Melanin Collagen Did You Know! Red Blood Cells Have a Short Lifespan: Red blood…

Which Of The Following Is The Term For “Wear And Tear” On Joints? Osteoarthritis Rheumatoid Arthritis Osteoporosis Fibromyalgia Did You Know! Blood Makes Up About 8% of Your Body Weight:…

Which Part Of The Body Is Responsible For Defending Against Infections? Circulatory System Endocrine System Immune System Respiratory System Did You Know! The “Pratfall Effect”: This is the surprising idea…

What Condition Is Commonly Referred To As “The Flu”? Asthma Tuberculosis Influenza Pneumonia Did You Know! The “Foot-in-the-Door” Technique: This is a psychological phenomenon where people are more likely to…

Which Food Group Is The Primary Source Of Vitamin C? Dairy Fruits Grains Vegetables Did You Know! Unique Skin Patterns: Just like fingerprints, every person has unique skin patterns, including…