👉 In biology, a "multituberculate" organism is one that has multiple types of cells or tissues within its body. This means that it contains both small and large cells, as well as specialized structures such as tubes, which are typically found in larger cells. For example, the human body contains two main types of blood vessels: arteries and veins. Arteries carry oxygenated blood away from the heart to the rest of the body, while veins take oxygenated blood back into the