What are the types of cardiac tissue?
Cardiac muscle tissue is one of the three types of muscle tissue in your body. The other two types are skeletal muscle tissue and smooth muscle tissue. Cardiac muscle tissue is only found in your heart, where it performs coordinated contractions that allow your heart to pump blood through your circulatory system.
What is the heart tissue called quizlet?
The myocardium is the muscular layer of the heart. The endocardium is the inner layer of the heart. The innermost portion of the endocardium is composed of endothelium, a simple squamous epithelium. The pericardium is the connective tissue sac that the heart sits in.
What 4 tissues make up the heart?
Histologically, the heart is made of three layers of tissue: epicardium, myocardium, and endocardium….Synonyms: Epicardium.
| Epicardium | Visceral layer of serous pericardium Comprised of mesothelial cells and fat and connective tissues |
|---|---|
| Myocardium | Muscle layer Comprised of cardiomyocytes |
How many tissues are in the heart?
The heart’s walls consist of three layers of tissue: Myocardium: This is the muscular tissue of the heart. Endocardium: This tissue lines the inside of the heart and protects the valves and chambers. Pericardium: This is a thin protective coating that surrounds the other parts.
Which type of muscle tissue is found in the heart quizlet?
Cardiac Muscle is involuntary muscle that is found only in the heart .
Which are three characteristics of cardiac muscle tissue?
Four characteristics define cardiac muscle tissue cells: they are involuntary and intrinsically controlled, striated, branched, and single nucleated.
What is the upper heart chamber called?
atria
The upper chambers, the right and left atria, receive incoming blood. The lower chambers, the more muscular right and left ventricles, pump blood out of the heart.
What is the name of the sac that surrounds the heart?
A fibrous sac called the pericardium surrounds the heart. This sac has two thin layers with fluid between them.