This chart shows human brains size over time. They got way bigger, fast. But now they’re shrinking? (No, it’s not the phones!) About 2 million years ago something changed and it altered the course of human evolution. Our brains just started RAPIDLY growing, the organ nearly doubled in size in just a few hundred thousand years. This turning point is what allowed us to evolve into the intelligent species we are today. But now… To learn more, follow along! #evolution #human origins #science

Human Digestive System Explained | Organs, Functions & Process | Easy Biology

See Inside How Your Stomach Actually Works #digestivesystem #3danimation #bodyfacts

Here’s a basic overview of the GI System! 🔹 Upper GI Tract: * Includes: Mouth, Pharynx, Esophagus, Stomach * Functions: * Mouth: Ingests and begins breaking down food * Pharynx and Esophagus: Transport food to the stomach * Stomach: Food is stored and broken down into chyme, absorbs fat-soluble minerals 🔹 Lower GI Tract: * Includes: Small Intestine, Large Intestine, Rectum, Anus * Functions: * Small Intestine: Digests stomach contents absorbs water electrolytes * Large Intestine: Absorbs water