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Fibrous Pericardium. Continuous with the central tendon of the diaphragm, the fibrous pericardium is made of tough connective tissue and is relatively non-distensible. This rigidity prevents rapid overfilling of the heart, but can have several serious clinical consequences (see cardiac tamponade).
The muscle tissues make up the heart. The muscle tissues have to pump the blood, and fibrous tissue that are made up of the valves. The three tissues that are in the heart are the epicardium, myocardium, and endocardium.The epicardium is the top layer of the heart. believe that the heart is made up of muscle tissue, epithelial tissue, and nervous tissue, but I'm not sure. Update: I meant what kinds of tissues, not muscles (which would therefore be cardiac muscle). Follow.