Which tissue is mainly composed of fat-storing cells?

Connective tissue is derived from which germ layer?

Which type of cells are known as cartwheel cells?

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

Newborn mammals generally do not shiver despite lower outside temperatures because of:

Lacunae are connected with