Cartilage is a rubber like tissue, protects the ends of long bones at the joints component of the rib cage, the ear, the nose and the bronchial tubes
I would say D. beginning, early proficient and advanced competence as it is to do with throwing so is a physical skill so can be described in these ways according to the level of proficiency or competence exhibited by the sports person.
It can help you because then you can get any thing you need to do done, so your nutritional plan will be healthy for your body.