What is the sac that surrounds the heart called
pericardium
What is the liquid portion of blood?
plasma
Sites of gas exchange
Capillaries
Name the four chambers of the heart. (Remember right and left)
Right and Left Atrium, Left and Right Ventricle
What is the main function of the heart?
to pump enough blood to deliver a continuous supply of oxygen and other nutrients to the brain
Where deoxygenated blood enters the heart
right atrium
How many different types of WBC's are there?
5 (basophil, eosinophil, neutrophil, monocyte, lymphocyte)
What chamber does the blood return to once it leaves the lungs.
Left Atrium
The heart wall is made mostly of what
muscle
Heart chamber that supplies oxygenated blood to the body
Left Ventricle
What is the name of the structure in RBC's that binds with oxygen?
hemoglobin
What is the name of the valve between the right atria and right ventricle
Tricuspid
What structure does blood enter the left atrium through?
pulmonary veins
Blood vessel carrying oxygenated blood to the left atrium
pulmonary vein
What is the name of the structure in blood that forms a plug to stop bleeding?
platelet
Largest artery in the body
Aorta
why are their valves in hearts?
to stop blood from flowing back
Blood that leaves the right ventricle to the lungs has more of which type of gas?
more CO2, less O2 (deoxygenated)
Anatomical term for the pacemaker
Sinoatrial node
What antigen(s), antibody(s), and Rh Factor is present on a RBC for someone who is B+
Blood vessel that carries blood from the lower body into the right atrium
Inferior vena cava
What is another name for the Mitral valve?
Bicuspid valve
What is the name of the structure that keeps valves closed and extends from papillary muslces?
chordae tendineae