What Substance Protects Your Joints? Tendons Cartilage Bone marrow Ligaments Did You Know! You shed a full layer of skin every month Most people know we shed skin, but few…

What Bodily Function Helps Regulate Body Temperature? Shivering Urination Sweating Blinking Did You Know! Your skin has its own immune system Beneath the surface, your skin isn’t just a barrier…

How Long Does It Take For Your Brain To React To Stimuli? 0.2 seconds 0.5 seconds 1 second 2 seconds Did You Know! Your Lungs Exhale More Fat Than You…

What Is The Body's Largest Internal Organ? Lungs Liver Intestines Stomach Did You Know! You Breathe Differently Through Each Nostril — On Purpose You don’t inhale equally through both nostrils….

Which Bodily Function Uses The Most Muscles At Once? Speaking Blinking Swallowing Walking Did You Know! Your Lungs Can Float on Water Unlike any other organ in the body, lungs…

Which Is NOT One Of The Five Basic Tastes? Sweet Salty Bitter Spicy Did You Know! Anesthesia’s Exact Mechanism Is Still a Mystery Despite being used for over 175 years,…

What Body System Controls Hormones? Circulatory system Endocrine system Digestive system Nervous system Did You Know! Your Stomach Lining Regenerates Every Few Days The human stomach is so acidic (pH…

What Percentage Of Your Body Weight Is Your Brain? 5% 10% 2% 0% Did You Know! Human Bones Can Regrow Lost Sections In certain cases, especially in children and young…

What Happens To Your Brain When You Sleep? It shuts down It slows down Becomes more active Stops forming memories Did You Know! Your stomach gets a new lining every…