Heart
What do the atria do?
receive blood
What is Apex
tip of the heart
What are the valves?
flaps of tissue that prevent blood from flowing backwards
what is the cardiac cycle?
one contraction and relaxation of the heart muscle
The Apex (tip) is pointed to the ____ hip.
Left
-Receives deoxygenated blood from body tissues
-Covered by auricle
Right Atrium
where are the atrioventricular valves located?
Between atria & ventricles
True or False: In one year, the heart pumps enough blood to fill an Olympic sized swimming pool.
True
Left Ventricle
-Receives oxygenated blood from left atrium
What are the two parts of the atrioventricular valves
tricuspid valve and the bicuspid valve/mitral valve
The beating sound of your heart is caused by...
the opening and closing of it's valves.
Returns blood to heart from lower body
Inferior Vena Cava
where are the semilunar valves located?
Between ventricles & blood vessels
The heart is a _____, muscular organ about the size of a ____ located between the _____.
Hollow, fist, lungs
-Carries deoxygenated blood to the lungs to pick up more oxygen
Pulmonary Arteries
what are the two pars of the semilunar valves
pulmonary valve and aortic valve