Vocabulary
The 2 upper chambers of the Heart
What are the atria?
The largest artery in the body
What is aorta?
The in-between channels between arterioles and venules.
What are capillaries?
After leaving the aorta, the blood goes here.
What is the body?
This is the ability of the cells around 1 cell to contract independently and without input from the nervous system.
What is automaticity?
This is when 2 vessels that nourish the same area interconnect.
What is collateral circulation?
The Inf. and Superior Vena Cava bring in blood from this area.
What is the body?
These structures prevent the backflow of blood in the heart and the veins.
What are valves?
This valve is located between the left atrium and left ventricle.
What is the bicuspid or mitral valve?
The beginning of the cardiac impulse starts here.
What is the SA node?
The point of maximal intensity is located here.
What is the apex?
The capillary system is also known as this
What is microcirculation?
The pacemaker of the heart
The SA or sinoatrial node
The blood comes from this vessel before going to the lungs.
What are the pulmonary arteries?
The impulse leaves the AV node and travels to this structure.
What is the AV bundle or the Bundle of His?
These detect changes in the pressure in the blood.
What are baroreceptors?
These are the only arteries that are oxygen-depleted.
What are the pulmonary arteries?
The first sound of the heart.
What is the lub in the "lub-dub"?
The blood is here before flowing past the pulmonary valves into the pulmonary arteries.
What is the right ventricle?
Gallops, Rubs, or murmurs
What are abnormal heart sounds?
These string-like tendons attach valves to papillary muscles.
What are Chordae Tendineae?
These arteries supply the heart muscle with oxygen and nutrients.
What are the coronary arteries?
The part of the heart that separates the left and right ventricles.
What is the interventricular septum?
The blood from the body comes from the inferior vena cava, the superior vena cava, and this holding structure.
What is the coronary sinus?
Rhythmic expansion of the arterial wall as the heart pumps blood to the body
What is a pulse or pulse point?