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2. Circulatory System Anatomy, Diagram, & Function - Healthline

   www.healthline.com/human-body-maps/circulatory...

   The circulatory system works thanks to constant pressure from the heart and valves throughout the body. This pressure ensures that veins carry blood to the heart and arteries transport it away ...

3. Vascular resistance - Wikipedia

   en.wikipedia.org/wiki/Vascular_resistance

   Vascular resistance is the resistance that must be overcome to push blood through the circulatory system and create blood flow.The resistance offered by the systemic circulation is known as the systemic vascular resistance (SVR) or may sometimes be called by the older term total peripheral resistance (TPR), while the resistance offered by the pulmonary circulation is known as the pulmonary ...

4. Heart Pictures, Diagram & Anatomy | Body Maps - Healthline

   www.healthline.com/human-body-maps/heart

   The heart has three layers. They are the: Epicardium: This thin membrane is the outer-most layer of the heart. Myocardium: This thick layer is the muscle that contracts to pump and propel blood ...

5. Heart sounds - Wikipedia

   en.wikipedia.org/wiki/Heart_sounds

   First heart sound: caused by atrioventricular valves – Mitral (M) and Tricuspid (T). Second heart sound caused by semilunar valves – Aortic (A) and Pulmonary/Pulmonic (P). Heart sounds are the noises generated by the beating heart and the resultant flow of blood through it. Specifically, the sounds reflect the turbulence created when the ...

6. Cardiac muscle - Wikipedia

   en.wikipedia.org/wiki/Cardiac_muscle

   Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissues, with the other two being skeletal muscle and smooth muscle. It is an involuntary, striated muscle that constitutes the main tissue of the wall of the heart. The cardiac muscle (myocardium) forms a thick middle layer between the outer ...

7. Vascular Disease: Types, Causes, Treatment, Prevention - WebMD

   www.webmd.com/heart-disease/vascular-disease

   Vascular Disease Causes and Risk Factors. Vascular disease causes can include: Atherosclerosis, the buildup of plaque in your arteries. Blockage in your blood vessel by a mass of debris (embolus ...

8. Inherited Heart Disease: 6 Types to Know About - Healthline

   www.healthline.com/health/heart-disease/...

   Here are six types of heart disease with a genetic link and how to get tested for them if they run in your family. 1. Cardiomyopathy. Your heart muscle pumps blood out to your body. If you have ...

9. Cardiac Cachexia: Symptoms, Causes, Diagnosis, Treatment - WebMD

   www.webmd.com/heart-disease/heart-failure/what...

   Symptoms. The main symptom of cardiac cachexia is weight loss. You may also feel: Very weak and tired. Short of breath. Unable to exercise or be active. Nauseated. Not very hungry. Constipation.