structure, function and disorders of cardio-vascular system Flashcards
size of the adult heart
a closed fist
where is the heart located
in the thoracic cavity between the lungs and protected by the rib cage
what membrane is the heart surrounded by
pericardium
What type of circulation is to and from the lungs
Pulmonary circulation
what type of circulation is around the body
Systemic circulation
Technical term for contraction of the heart
Systole
Technical term for relaxation of the heart
Diastole
what is coronary heart disease
when one of both of the coronary arteries become narrow and causes angina which can further lead to thrombosis (clotting)
What is a stroke
this is when blood flow to the brain is disrupted (can be due to a clot or leek in vessel)
Most common symptom is partial paralysis
what is hypertension
This is a raised blood pressure over a long period of time- lead to angina, heart attack or a stroke
Heart works harder and needs more oxygen