Cardio Flashcards
The main job of the CV system
Deliver oxygen and nutrients with the blood
What are the names of the three blood vessels?
Arteries, veins, and capillaries
The function of the CV system
Deliver electrolytes, hormones, nutrients, and oxygen to the tissue
Description of the heart (location and size)
In the mediastinum and thoracic cavity and within the first six ribs
Also fist sized, hollow, and fist shaped
The layers of the heart:
Epicardium
Myocardium
Endocardium
Pericardium
What are the four chambers of the heart
Two upper: atria
Two lower: ventricles
List all the heart valves from right to left:
Tricuspid
Pulmonary
Aortic
Bicuspid
What direction does veins and arteries take the blood?
Arteries- away from the heart
Veins- back to the heart
Smallest branches of veins and arteries
Venules an aterioles
Tip of the heart
Apex
What keeps the flaps of a valve pointing in the same direction
Chordae tendineae
Which valve is located between the right ventricle and the pulmonary artery
Pulmonary valve
Largest artery in the heart
Aorta
Inner wall of the heart
Endocardium
Outer layer of the heart
Epicardium
