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

Madison Clysdale on Instagram: "@rogers just rolled out their new Satellite-to-Mobile coverage, meaning you can now send text messages straight from your regular phone, even when you’re completely outside cell range in Canada. For someone who lives in a cabin in the woods and spends most weekends deep in the backcountry, this is a huge safety upgrade. #sponsored You can text 9-1-1 in an emergency or stay connected with family when you’re off-grid. *Some location limits apply. You’ll need a compa