Cartilage is the connective tissue.[[1]] cells mainly form the cartilage tissue.

Cartilage is the part of the skeletal tissue that makes up the skeletal system.

They provide support like bones but are not much stronger than the bone, they are flexible.

In the ear, nose, lungs and joints cartilage is present

Cartilage is made up of chondrocyte cells.

Hence, cartilage is the answer.