Heparin is secreted by

What are the functions of connective tissue from the following?
$(i)$ Provides immunity
$(ii)$ Helpful in blood coagulation
$(iii)$ Stops coagulation of blood in blood vessels
$(iv)$ Connects tissues

Which type of cartilage is required for the reconstruction of the nasal septum if it is injured?

Below the skin,the fat is stored in the form of:

Thousands of years old mummies are still in their condition as they were before due to the non-destruction of:

The major constituent of connective tissue is