How to Draw Lips - Step By Step Tutorial #howtodraw #drawingtutorial #pencildrawing | Graphite Flow

How to Draw Lips #drawingtutorial #howtodraw #realisticdrawing | Graphite Flow

Simple Way To Draw face tutorial #howtodraw #drawingtutorial #pencildrawing | Graphite Flow

Inside the Beating Heart – 3D Medical Animation 🫀 . . The human heart is a vital organ that pumps blood throughout the body, supplying oxygen and nutrients while removing carbon dioxide and waste products. Here are some key points about the human heart: Anatomy: The heart has four chambers: two upper atria and two lower ventricles. The right side pumps deoxygenated blood to the lungs, while the left side pumps oxygenated blood to the rest of the body. Valves: There are four main valves (tricusp