Cardiovascular System Flashcards
When you cut into the apex what are you cutting into?
Left ventricle
How much does adult heart weigh?
10oz (T/F) question
Endocardium lines the what ?
Outside of the heart (blood vessels)
Myocardium is the…
Middle layer of the heart; made of cardiac muscle
Pericardium is the…
2-layer sac that lines the inside of the heart. It contains a small amount of fluid and helps reduce friction around the heart
The muscular wall that divides the atria and ventricles
Septum
What septum is between the L&R atrium
Interatrial septum
What septum is between the ventricles ?
Interventricular septum
_____:Receives de-oxygenated blood from inferior and superior ____
Right atrium
Vena cava
____ blood enters from right atrium, pumped out to the lungs via the ________ artery
Right ventricle
Pulmonary
____recieves _______ blood back from the lungs via the ______ veins
Left atrium
Oxygenated
Pulmonary veins
______Has the thickest wall; pumps blood out of the heart and to all tissues of the body via the ____
Left ventricle
Aorta
How many valves in the heart ? Name them
4 Bicuspid valve Tricuspid valve Pulmonary valve Aortic valve
Where is the tricuspid valve
Between the right atrium and right ventricle
Where is the bicuspid valve located?
Between the left atrium and right ventricle
The contraction of ventricles causes the pulse
Systole
Brief resting period of ventricles
Diastole