Which type of cartilage is found at the ends of long bones?

Read the following statements and answer the question.
$(i)$ They have a hard and non-pliable ground substance rich in calcium salts and collagen fibres.
$(ii)$ They support and protect softer tissues and organs.
$(iii)$ Osteocytes are present in the spaces called lacunae.
$(iv)$ They also interact with skeletal muscles attached to them to bring about movements.
Which of the following type of tissue is being described by above statements?

The main function of connective tissue is

Describe the structure and function of areolar connective tissue.

Which of the following is not a function of bone?

The intercellular substance found in connective tissue is