Medical | Science | Facts on Instagram: "This happens because arterial blood flow is pulsatile-each heartbeat creates a pressure wave that pushes blood out in rhythmic spurts. When a small finger wound nicks an artery and is submerged in water, the blood diffuses in visible pulses, mimicking a waveform like an arterial pressure trace. It’s not an actual EKG but shows the heart’s mechanical rhythm. . . . #trendingreels #didyouknow #intresting #medicalfacts #biologyfacts #humanbody #science #disea

Brain Blood Supply Explained (in 60 seconds) Mapping the Brain's Arteries and Veins Ever wonder how your brain gets its fuel and takes out the trash? 🧠➡️💧 It's all about the intricate network of blood vessels! This reel breaks down the essential maps of the brain's blood supply in under a minute: 1. Arterial Supply: Where the oxygen-rich blood comes from (ACA, MCA, PCA). 2. Perforating Arteries: The tiny but critical vessels deep inside. 3. Venous Drainage: How the blood flows out through the