World of Biology on Instagram: "Blood circulation is the continuous flow of blood throughout the heart and blood vessels. It delivers oxygen and essential nutrients to every cell while removing carbon dioxide and other waste products. Driven by the heart’s pumping action, arteries transport oxygen-rich blood from the heart, while veins carry oxygen-poor blood back for reoxygenation. This vital system keeps your organs functioning, your brain alert, and your body energized around the clock. #biol

Wellness World USA on Instagram: "The body is always communicating — especially through our immune system. White blood cell levels can signal that the body needs support. Awareness, nourishment, rest, and selfcare matter. Thank you for your insight on blood health and the importance of supportive nutrition, @elissagoodman El cuerpo siempre se está comunicando — especialmente a través de nuestro sistema inmunológico. Los niveles de glóbulos blancos pueden indicar que el cuerpo necesita apoyo. La