Why are extremities of two bones covered with a pad of cartilage?

Extremities of long bones possess which type of cartilage

Ends of long bones are covered with

Ends of long bones are covered with

Bone and Cartilage

The ends of the bones of limbs are composed of which cartilage ?

Ends of the long bones are covered by

The matrix of bone is hard due to ...A ... while that of cartilage is pliable due to ....B …….

The outer covering of cartilage is called

Name the two membranes covering the lungs.

Read the following statements carefully : (1) Gap junction facilitates the cells to communicate with each other by connecting the cytoplasm of two adjoining cells to cytoplasm of two adjoining cells . (2) Adhering junctions help to stop substances from leaking across a tissue . (3) compound epithelium covers the dry surface of the skin only and provides protection against chemical and mechanical stresses. (4) most of the bones in vertebrates embryos are replaced by cartilages in adults. How many of the above statement is/are correct ?