The heart Flashcards
Where is the heart located?
Behind the sternum of the rib cage and between the 2 lungs
The heart has a broad flat base directed towards where
Right shoulder
The heart has a apex (pointed tip) points where
downwards toward the left hip
What is the site referred to as the point of maximal intensity
Where the apex comes into contact with the chest wall
What is the perdicardium
A lubricated sac where the heart resides
The heart consists of 2 muscular pumps separated by what
cardiac interventricular septum
The right hand side of the heart does what
recieves de-oxygenated blood from the body and pumps to the lungs to become oxygenated
The left hand side of the heart does what
Recieves oxygenated blood from the lungs and delivers to the rest of the body
What is the pump that recieves blood into the heart called
Atrium/Upper Chamber
what is the lower chamber that ejects blood out of the heart called
Ventricle
The pulmonary circuit does what
delivers blood to and from the lungs
The systematic circuits does what
delivers blood to the rest of the body
How does the heart have its own blood supply because it is a muscle
Via the right and left coronary arteries
How is the circulation of blood within the heart facilitated
contraction of cardiac muscle in the wall of the heart and the opening and closing of the heart valves
The lub dub sound is the sound of what
heart valves closing
