HISTO: Circulatory System

The fibrous pericardium is made up of what type of tissue?

What substance makes up fibrous pericardium?

What layer of the heart is this?

What is the box on the right? It is filled with fluid that reduces friction during contraction of the heart.

The tissue pointed by the arrow is __

Below the structure pointed by the arrow is a layer of

A and D are made up of

Identify C

B and E are

Identify F