The Cardiovascular System Chapter 5

Overview of Structures, Combining Forms, and Functions of the Cardiovascular System

Heart Primary Function Related Word Parts (Combining Forms) Pumps blood into the arteries Related Word Parts (Combining Forms) card/o, cardi/o

Anterior External View of the Heart

Anterior Cross-Section of the Heart

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

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)

Valves of the Heart Mitral valve: located between left atrium and left ventricle Aortic semilunar valve: located between left ventricle and aorta

Blood Vessels Primary Function Related Word Parts (Combining Forms) Transport blood to and from all areas of the body Related Word Parts (Combining Forms) angi/o, vas/o

Arteries Primary Function Related Word Parts (Combining Form) Transport blood away from the heart to all body parts Related Word Parts (Combining Form) arteri/o

Capillaries Primary Function Related Word Parts (Combining Form) Permit the exchange of nutrients and waste products between the blood and the cells Related Word Parts (Combining Form) capill/o

Veins Primary Function Related Word Pats (Combining Forms) Return blood from all body parts to the heart Related Word Pats (Combining Forms) phleb/o ven/o

Blood Primary Function Related Word Pats (Combining Forms) Brings oxygen and nutrients to the cells Carries away waste Related Word Pats (Combining Forms) hem/o, hemat/o

Major Fluid and Formed Components of Blood

Key Word Parts and Definitions angi/o blood or lymph vessel aort/o aorta arteri/o artery ather/o plaque, fatty substance (continues)

Key Word Parts and Definitions brady- slow cardi/o heart -crasia a mixture or blending -emia blood, blood condition (continues)

Key Word Parts and Definitions erythr/o red hem/o, hemat/o blood, relating to the blood leuk/o white phleb/o vein (continues)

Key Word Parts and Definitions tachy- fast, rapid thromb/o clot ven/o vein

Questions

Question If you are a universal donor, your blood group is type O. True or False?

Answer True

Question What percentage of a person’s body weight is blood? 10% 7% 20%

Answer b. 7%

Question Women have on average 10% more red blood cells than men. True or False?

Answer False. Men have an average of 10% more red blood cells than women.

Question An individual blood cell takes about 60 seconds to make a complete circuit of the body. True or False?

Answer True