© 2015, Cengage Learning. All Rights Reserved. The Cardiovascular System Chapter 5

© 2015, Cengage Learning. All Rights Reserved. Overview of Structures, Combining Forms, and Functions of the Cardiovascular System

© 2015, Cengage Learning. All Rights Reserved. Heart Primary Function –Pumps blood into the arteries Related Word Parts (Combining Forms) –card/o, cardi/o

© 2015, Cengage Learning. All Rights Reserved. Anterior External View of the Heart © Cengage Learning

© 2015, Cengage Learning. All Rights Reserved. Anterior Cross-Section of the Heart © Cengage Learning

© 2015, Cengage Learning. All Rights Reserved. The Chambers of the Heart Atria: the two upper chambers of the heart –Chambers divided by interatrial septum Ventricles: the two lower chambers of the heart –Chambers divided by interventricular septum

© 2015, Cengage Learning. All Rights Reserved. Valves of the Heart Tricuspid valve: controls the opening between the right atrium and the right ventricle Pulmonary semilunar valve: located between right ventricle and pulmonary artery (continues)

© 2015, Cengage Learning. All Rights Reserved. Valves of the Heart Mitral valve: located between left atrium and left ventricle Aortic semilunar valve: located between left ventricle and aorta

© 2015, Cengage Learning. All Rights Reserved. Blood Vessels Primary Function –Transport blood to and from all areas of the body Related Word Parts (Combining Forms) –angi/o, vas/o

© 2015, Cengage Learning. All Rights Reserved. Arteries Primary Function –Transport blood away from the heart to all body parts Related Word Parts (Combining Form) –arteri/o

© 2015, Cengage Learning. All Rights Reserved. Capillaries Primary Function –Permit the exchange of nutrients and waste products between the blood and the cells Related Word Parts (Combining Form) –capill/o

© 2015, Cengage Learning. All Rights Reserved. Veins Primary Function –Return blood from all body parts to the heart Related Word Pats (Combining Forms) –phleb/o –ven/o

© 2015, Cengage Learning. All Rights Reserved. Blood Primary Function –Brings oxygen and nutrients to the cells –Carries away waste Related Word Pats (Combining Forms) –hem/o, hemat/o

© 2015, Cengage Learning. All Rights Reserved. Major Fluid and Formed Components of Blood © Cengage Learning

© 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions angi/o –blood or lymph vessel aort/o –aorta arteri/o –artery ather/o –plaque, fatty substance (continues)

© 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions brady- –slow cardi/o –heart -crasia –a mixture or blending -emia –blood, blood condition (continues)

© 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions erythr/o –red hem/o, hemat/o –blood, relating to the blood leuk/o –white phleb/o –vein (continues)

© 2015, Cengage Learning. All Rights Reserved. Key Word Parts and Definitions tachy- –fast, rapid thromb/o –clot ven/o –vein

© 2015, Cengage Learning. All Rights Reserved. Questions

© 2015, Cengage Learning. All Rights Reserved. Question If you are a universal donor, your blood group is type O. True or False?

© 2015, Cengage Learning. All Rights Reserved. Question What percentage of a person’s body weight is blood? a.10% b. 7% c.20%

© 2015, Cengage Learning. All Rights Reserved. Question Women have on average 10% more red blood cells than men. True or False?

© 2015, Cengage Learning. All Rights Reserved. Question An individual blood cell takes about 60 seconds to make a complete circuit of the body. True or False?