Which of the following is not a functional classification for joints? 1) diarthrosis 2) cartilaginous 3) amphiarthrosis 4) synarthrosis

Cartilaginous joints is not a functional classification for joints.

Option 2

Explanation:

The joints are classified based upon their structure and function. Based upon the composition as well as presence or absence of the cavity, the joints are structurally classified as:

On the other hand, based upon the functions performed by the joints, the functional classification of joints are as follows:

Thus it is inferred that, cartilaginous joint is structural classification of joints, not functional.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.