What is sinusitis? Before we answer that question, we need to learn a bit about your facial anatomy. There are some air-filled spaces in the bones of your head around the nose. These hollow spaces are called sinuses; they come in four pairs or eight in all. They are on either side of the nose […]

Our blood, as humans, has different varieties and features. Red blood cells transport oxygen throughout the body, while white blood cells, also known as immune cells, fight against infection.Red blood cells have a certain kind of complex protein on the outside of the cell membrane. These proteins, known as Antigens, act as a QR code, […]