Exam #2 Flashcards
What does the cardiovascular system consist of?
the blood, heart, and blood vessels
What anatomical structure in the heart “pulls the valves” ?
chordae tendinae
What anatomical structure separates the ventricles in the heart?
interventricular septum
What anatomical structure in the heart “lines” the ventricles?
trabeculae carneas
What type of blood is pumped through the left ventricle?
oxygenated
What valve is located inside the left ventricle?
bicuspid (mitral)
What valve is located inside the right ventricle?
tricuspid
What part of the heart is mostly seen when opening up the heart such as during heart surgery?
right ventricle
What part of the heart is hidden posteriorly when opening up the heart?
left ventricle
Where is the heart located?
mediastinum
What is the area called from the “sternum to the vertebral column” ?
mediastinum
How much mass of the heart sits on the left of the midline?
2/3
What are the 3 layers of the heart wall?
- Pericardium 2. Myocardium 3. Endocardium
What layer is the pericardium?
most outer layer
What layer is the myocardium?
outer layer (middle)
What layer is the endocardium?
inner most layer
What is the function/purpose of the pericardium?
anchors and protects
What is the purpose of the myocardium?
cardiac muscle layer
bulk of the heart
What is the purpose of the endocardium?
chamber lining
valves
How many chambers make up the heart?
four
What are the chambers of the heart?
2 upper atria
2 lower ventricles
What is sulci?
grooves on surface of heart
What does sulci contain?
blood vessels, fat