Cardiovascular System Flashcards
(18 cards)
What is it called when the heart contracts?
Systoles (blood is ejected)
What is it called when the heart relaxes?
Diastole (heart fills with blood)
What is Lub? (S1)
The closing of the AV valves( tricuspid and mitral)
What is Dub (s2)
The closing of semilunar valves (pulmonary and aortic)
Where is the heart located
In the mediastinum between the lungs tilted to the left
What do arteries do?
Carry blood away from the heart
What are capillaries?
Tiny vessels where gas and nutrient exchange happens
Where does blood go after the vena cava?
The right atrium
Where does blood go after the right atrium?
The tricuspid valve
Where does noood go after the tricuspid valve?
The right ventricle
Where does blood go after the right ventricle?
The pulmonary valve
Where does blood go after the pulmonary valve?
The lung
Where does blood go after the lungs?
The left atrium
Where did blood go after the left atrium
The mitral valve
Where does blood go after the mitral valve?
Left ventricle
Where does blood go after the left ventricle
The aortic valve
Where does blood go after the aortic valve
The aorta body