And these different types of cartilage differs from one another based on the concentration of these substances inside the matrix of that particular cartilage. So let's begin with the highland cartilage. So the highland cartilage is basically a transparent type of cartilage, so we can see through that cartilage. And this highland cartilage is made up of predominantly collagen fibers. So that means it's a very strong type of cartilage. And our highland cartilage is the most common type of cartilage in the body because it basically lines our bones where the bones are connected to one another via joints.