The common features of connective tissue are:

i) They are involved in the binding and connection of different tissues and organs.

ii) They help in providing structural rigidity, support and protection of the body.

iii) They are involved in the transport and exchange of various enzymes, hormones, gases and molecules such as nitrogenous wastes, vitamins, etc.

iv) They have good regeneration ability.

v) All the connective tissues have fibers, cells and matrix present.

Difference between bones and cartilages is: