What Is The Smallest Bone In The Human Body? Stapes Incus Malleus Pisiform Did You Know! DNA is about 2 meters long: If you could stretch out the DNA from…

Which Part Of The Human Body Never Heals Once Injured? Muscles Nerves Bone marrow Teeth Did You Know! Humans share 98% of their DNA with chimpanzees: Despite our differences, humans…

What Is The Average Number Of Hairs On A Human Head? 50,000 100,000 150,000 200,000 Did You Know! Nearly 99.9% of human DNA is identical: All humans share about 99.9%…

How Long Does It Take For The Human Stomach To Fully Digest Food? 1-2 hours 4-6 hours 8-10 hours 12 hours Did You Know! Negative Feedback Mechanism: The endocrine system…

What Is The Most Common Cause Of Food Poisoning In The U.S.? Salmonella E. coli Norovirus Listeria Did You Know! Pituitary Gland – “Master Gland”: The pituitary gland, located at…

What Is The Average Adult Body Temperature In Celsius? 36.0°C 36.8°C 37.0°C 38.0°C Did You Know! The endocrine system is responsible for regulating hormones that control a wide variety of…

What Is The "Peace Hormone" That Is Released When We Hug? Serotonin Oxytocin Dopamine Cortisol Did You Know! Muscles can “remember” movements – This is known as muscle memory. When…

What Is The Most Common Mental Health Disorder In The U.S.? Bipolar disorder Anxiety disorder Depression Schizophrenia Did You Know! Muscles make up about 40% of body weight – In…