circulatory system Flashcards
(23 cards)
what are the functions of the circulatory system
pump blood transfer o2 remove CO2
what are the components of the circulatory system
heart arteries veins capillaries
described the circulation routes used by the blood
General and cardio pulmonary
describe the physical characteristics of the heart
size of a fist and located in the thoracic cavity
what is the pericardium and the fluid between the layers
double wall layer and serous
describe the myocardium
it’s a cardiac muscle
discard the endocardium
inner muscle layer of the heart
what are the structures leading to and from the heart
superior and inferior Venna cava pulmonary arteries and veins aorta
List the chambers and valves of the heart
two atriums to ventricles divided by septum and bicuspid and tricuspid valves
m describe the structure of the heart and how each side works
it is a four chambered muscle separated by a septum
describe what each of the most common sounds of the heart means
The lub dub sound is caused by closing of valves
how are the contractions of the heart controls
The SA node
what are the most common signs and symptoms of heart disease
Angia
name and describe the most common infectious disease of the heart
Perry carditis endocarditis and myocarditis. all inflammation of different parts of the heart
what are the two types of coronary heart disease
arteriosclerosis- hardening of the arteries and arthrosclerosis fattening of the arteries
List the common types of heart surgery
coronary bypass and a pacemaker
describe the structure and function of arteries
elastic and muscular. Can go under high-pressure and has thick walls
describe the structure and function of the capillaries
they are the smallest structure and the connect arterioles and venules
describe the structure and function of the veins
they are muscular and less elastic than arteries in the collapse easily without blood filling them
how is blood pressure created
pressure against the walls of the heart
describe a pulse in the various locations were can be felt
expansion and contraction of an artery. Can be felt in brachial and carotid artery
name and describe disorders of the blood veins
varicose vein aneurysm and embolus
what is the difference between systemic and cardio pulmonary circulation
systemic is general circulation and cardio pulmonary is heart to lung circulation
