World of Biology on Instagram: "The heart keeps blood moving in a precise rhythm. This 3D animation shows the flow of blood through its chambers: – Blood enters the heart from the body – Passes through valves into the lungs for oxygen – Returns rich in oxygen – And is pumped out to every tissue A perfectly timed cycle — repeated about 100,000 times every day. . . Animation credit 📸- @sciepro.official . . #science #medical #meded #3d #3dmodel medart medstudent anatomy animation scicomm med heart