CV_System_v2

CV_System_v2 - Click to edit Master subtitle style...

Info iconThis preview shows pages 1–13. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Click to edit Master subtitle style Cardiovascular System EXSS - 175 Human Anatomy Click to edit Master subtitle style Cardiovascular System Strong emphasis placed on this system Imperative knowledge base for ALL exercise based coursework within the department (phys, ex phys, exercise prescription) Focus on: Heart Vessels Blood Circulation Peripheral circulation (blood supply for the extremities) Cerebral circulation (blood supply for the brain) Coronary circulation (blood supply to the heart muscle) Hepatic portal circulation (role of liver and other abdominal organs) Click to edit Master subtitle style Heart General Central component of CV system Functions to propel blood through vessels Hollow, cone-shaped organ the size of a persons fist Heart pumps over 1 million gallons per year. Through over 60,000 miles of blood vessels Click to edit Master subtitle style Location of Heart Located in the mediastinum anatomical region extending from the sternum to the vertebral column, the first rib and between the lungs Click to edit Master subtitle style Click to edit Master subtitle style Pericardium Membrane surrounding and protecting the heart Confines while still allowing free movement 2 main parts Fibrous pericardium tough, inelastic, dense irregular connective tissue prevents overstretching, protection, anchorage Serous pericardium thinner, more delicate membrane double layer (parietal layer fused to Click to edit Master subtitle style Layers of the Heart Wall 1. Epicardium (external layer) Visceral layer of serous pericardium Smooth, slippery texture to outermost surface 2. Myocardium 95% of heart is cardiac muscle 3. Endocardium (inner layer) Smooth lining for chambers of heart, valves Click to edit Master subtitle style Click to edit Master subtitle style 4 Chambers of Heart (receives blood from) Two superior chambers (receiving chambers) Right Atrium Superior & inferior vena cava, coronary sinus Left Atrium Four pulmonary veins Separated by interatrial septum Two inferior chambers (pumping chambers) Right Ventricle Right atrium Left Ventricle Click to edit Master subtitle style Chambers of Heart Click to edit Master subtitle style Valves of Heart Prevent backflow of blood Atrioventricular and semilunar valves open/close alternately (i.e. AV open/SL close) Atrioventricular Valves: Prevent backflow within heart Tricuspid (right side) Located between right atrium and right ventricle Click to edit Master subtitle style Valves of Heart Semilunar Valves:...
View Full Document

This note was uploaded on 06/10/2010 for the course BIOL 252L taught by Professor Ta during the Spring '08 term at UNC.

Page1 / 126

CV_System_v2 - Click to edit Master subtitle style...

This preview shows document pages 1 - 13. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online