Chapter 12 Flashcards
Chambers of the heart
Right atrium
Right ventricle
Left atrium
Left ventricle
Where does the left ventricular go to
The aorta
Coronary circulation
How the heart gets blood
Intrinsic
Does not require nervous stimulation
Nodal tissue
Sa right atrium
AV base of atrium
Purkinje fibers
Activated right and left ventricles helps with node pulses
Vessels functions
Transport blood
Cary out gas exchange
Regulate blood pressure
Direct blood flow
Arteries
Transport blood away from heart
Veins
Transport blood to heart
Capillaries
Microscopic blood vessels
Site of nutrition and gas exchange
Capillary exchange
Takes place across thin capillary walls
Oxygen and nutrients leave
Cellular waste enters
Top number on blood pressure
Systolic
Functions of heart
Keep blood separated Keep blood flowing Creates blood pressure Regulates blood supply Serves as an endocrine gland