BIOLOGY | MEDICAL | HEALTH on Instagram: "Ever wondered what really happens if you skip brushing? Here’s the truth ⬇️ 🔹 Removes plaque – Every day, bacteria form a sticky layer called plaque. Brushing breaks it down before it turns into hard tartar. 🔹 Prevents cavities – Food particles + bacteria = acid. Brushing neutralizes this acid and protects your enamel. 🔹 Keeps gums healthy – Daily brushing prevents gum inflammation, bleeding, and gum disease. 🔹 Stops bad breath – No brushing = bacter

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