In the Figure Shown Here, the Tissue Indicated by "3

In the figure shown here, the tissue indicated by "3"

A) lends strength to and supports the joint.
B) cushions the bones of the joint.
C) attaches muscle to the bones.
D) provides a smooth surface on the ends of bones.
E) causes the movement of the joint. The tissue indicated by "3" is adipose tissue. Adipose cells have very little matrix but are filled with triglycerides. In addition to their function in the storage of fat as a long-term energy source, adipose tissue acts to insulate and cushion parts of the body.