Vocabulary 1
receives deoxygenated blood from the body through the inferior and superior vena cava.
right atrium
blood vessels that carry deoxygenated blood back to the heart.
veins
arteries, veins, capillaries
how many chambers doe the heart have
4
the liquid component of blood
plasma
pumps oxygenated blood to the rest of the body.
left ventricle
what is the "lub dub" sound
valve vibrations during heart contractions
which type of blood is darker
deoxygenated
a diverse group of molecules that play important roles in the body
lipids
receives oxygenated blood from the lungs and pumps it into the left ventricle, which then pumps the blood to the rest of the body.
left atrium
what is the purpose of capillaries
allow for direct exchange between blood and tissues
the mitral valve is also called what
bicuspid valve
essential components of our blood responsible for transporting oxygen from the lungs to the rest of the body
red blood cells
collects deoxygenated blood from the upper body, including the head, neck, and upper extremities, and returns it to the right atrium of the heart.
superior vena cava
name the chambers of the heart
right atrium, left atrium, left ventricle, right ventricle
what is the purpose of valves
ensure unidirectional blood flow
collects deoxygenated blood from the lower body, including the legs and lower torso, and also returns it to the right atrium of the heart.
inferior vena cava
small, disc-shaped blood cells that play a crucial role in blood clotting
platelets
name the two types of circulation
pulmonary and systematic
describe a atrial septal defect
opening in the septum allows oxygen-rich and oxygen-poor blood to mix