Respitation System
Respiratory systems in mammals, like the Leopard, rely on a single organ found at the base of the lungs. This organ is called the diaphragm. They diaphragm expands, causing air (Oxygen) to rush into the lungs. Then, it contracts, pushing what is left, or Co², back out into the environment. This is how it takes in it's oxygen. After the Oxygen is in the lungs, it is moved into the blood stream. This blood that is now carrying oxygen is pushed or pumped through the body to get oxygen to the places the animal needs it, like muscles, or their brains. After depositing the oxygen, the blood will be returned to the lungs to pick up more, and repeat the cycle.
Depending on the environment, or factors like altitude, mammals will sometimes breath only through their noses or mouth. Mammals have a very diverse selection of respiration to choose from, like us, humans who breath through our mouths and noses. But Leopards breathe through their nostrils because of the altitude they live in. They also have very deep nasal cavities which helps them in their thin-aired environment.
Depending on the environment, or factors like altitude, mammals will sometimes breath only through their noses or mouth. Mammals have a very diverse selection of respiration to choose from, like us, humans who breath through our mouths and noses. But Leopards breathe through their nostrils because of the altitude they live in. They also have very deep nasal cavities which helps them in their thin-aired environment.