8. Cardiovascular System Flashcards
Closed system that circulates blood throughout the body
Cardiovascular System
What does the cardiovascular system include?
Heart
Blood
Blood vessels
Cone shaped organ about the size of a fist
Heart
Where is the location of the heart?
Near the anterior chest wall
Posterior to the sternum
Anterior to the vertebral column (pericardial cavity)
What are the layers (tunics) of the heart?
Endocardium
Myocardium
Epicardium
Which layer (tunic) of the heart is this:
- Inner surface
- Its folding forms valves that separate atria from ventricles
Endocardium
Which layer (tunic) of the heart is this:
- Thickest layer
- Interlocking layers of cardiac muscle
Myocardium
Which layer (tunic) of the heart is this:
- External surface.
- Visceral pericardium.
- Thin layer
Epicardium
Fluid‐filled sac that
surrounds the heart
and the roots of the
major blood vessels
Pericardium
Membranous sac
surrounding the heart
Visceral Pericardium
Lining of pericardial cavity
Parietal Pericardium
A wall of tissue separating
the heart’s right and left
sides
Septum
Which heart chamber is this:
Has a Fossa ovalis
Has the superior vena cava orifice
Has the Inferior vena cava orifice
Has Coronary sinus orifice
Right Atrium
Which heart chamber has these:
Right atrioventricular
(tricuspid) orifice/valve.
Papillary muscles
Chordae tendiae
Pulmonary trunk/common
pulmonary trunk artery
orifice (semilunar valve)
Right Ventricle
Which heart chamber is this in:
Pulmonary venous orifices
Left Atrium
Which heart chamber is this in:
Left atrioventricular (mitral/bicuspid) orifice/valve.
Papillary muscles
Chordae tendinae
Aortic orifice/semilunar valve
Left Ventricle
What are the 4 chambers of the heart
Right Atrium
Right Ventricle
Left Atrium
Left Ventricle