Anatomy & Physiology - Unit 5 - Cardiovascular Sys
Anatomy & Physiology - Unit 5 - Cardiovascular Sys
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Anatomy & Physiology - Unit 5 - Cardiovascular System
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Anatomy & Physiology - Unit 5 - Cardiovascular Sys
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Anatomy & Physiology - Unit 5 - Cardiovascular Sys
Anatomy & Physiology - Unit 5 - Cardiovascular System
Alveoli Small air sacs that are located at the end of the bronchi in the lungs and that are responsible
for gas exchange.
Aorta The major blood vessel leaving the heart.
Aortic Valve The valve that keeps blood from flowing back into the ...
Anatomy & Physiology - Unit 5 - Cardiovascular System
Alveoli ✅Small air sacs that are located at the end of the bronchi in the lungs and that are responsible
for gas exchange.
Aorta ✅The major blood vessel leaving the heart.
Aortic Valve ✅The valve that keeps blood from flowing back into the left ventricle as it is pumped to the
aorta.
Artery ✅A blood vessel that carries oxygenated blood away from the heart to all parts of the body.
Blood Pressure ✅The amount of pressure that blood exerts against the walls of blood vessels.
Bronchi ✅The passageways that permit air to flow into the lungs.
Bronchioles ✅Small branches if the bronchial tubes through which air first enters the lungs.
Capillaries ✅The smallest blood vessels in the body, which connect the arteries to the veins.
Cardiovascular System ✅The bodily system that includes the heart and blood vessels and circulates
blood; also called the circulates blood
Circulation ✅The movement of blood through the heart and throughout the body.
Coronary Arteries ✅Blood vessels that move oxygenated and nutrient-rich blood into the myocardium.
,Diastolic Blood Pressure (DBP) ✅A measurement of the arterial pressure in between heartbeats,
normally below 80 mmHg.
Inferior Vena Cava (IVC) ✅A vein that transports oxygen-poor blood from the legs to the right atrium of
the heart.
Larynx ✅A passageway that connects the pharynx to the trachea.
Left Atrium ✅The upper-left chamber of the heart, which receives newly oxygenated blood from the
lungs via the pulmonary vein, then pumps it into the left ventricle.
Left Ventricle ✅The lower-left chamber of the heart, which sends oxygen-rich blood to the aorta.
Mitral Valve ✅The valve that lies between the left ventricle and the left atrium and keeps blood from
flowing back into the left atrium as it is pumped to the left ventricle.
Nasal Cavity ✅An area of open space in the nose that filters, moistens, and warms incoming air.
Nostrils ✅The external openings of the nose.
Pharynx ✅A passageway of food and air that connects the nasal cavity to the larynx.
Plasma ✅The liquid portion of blood, which is made up mostly of water.
Pulmonary Artery ✅An artery that carries oxygen-poor blood from the right side of the heart to the
lungs to be oxygenated.
Pulmonary Circulation ✅The movement of blood between the heart and the lungs.
,Pulmonary Valve ✅The valve that does not allow blood from the pulmonary trunk to enter the right
ventricle.
Pulmonary Veins ✅Veins that transport oxygen-rich blood from the lungs to the left atrium of the heart.
Respiration ✅The process of inhaling oxygen and expelling CO2.
Right Atrium ✅The upper right chamber of the heart that pumps blood to the right ventricle.
Right Ventricle ✅The lower right chamber of the heart that sends blood to the pulmonary artery.
Sinusoids ✅Blood vessels that are similar to capillaries and are found only in certain parts of the body.
Superior Vena Cava ✅The vein that transports oxygen-poor blood from the upper part of the body to
the right atrium of the heart.
Systemic Circulation ✅The movement of blood between the heart and the rest of the body's tissues and
organs
Systolic Pressures ✅A measurement of the pressure on the interior of the blood vessels when the heart
beats, or contracts.
Trachea ✅The tube that connects the throat to the rest of the lower respiratory system; also know as
the windpipe.
Tricuspid Valve ✅A valve that does not allow blood from the right ventricle to enter the right atrium.
Angiogenesis ✅The process by which new blood vessels are made.
, Atrioventricular Node (AV Node) ✅The structure that receives electrical impulses passed from the SA
node.
Bundle of His ✅A collection of heart muscle components that specialize in electrical conduction and
allow the ventricles to contract at a steady pace.
Cardiac Output ✅The measure of the amount of blood that is forced out of the ventricles in the heart.
Conductive System ✅A system of nerves that control the electrical mechanism of the heart.
Endocardium ✅The innermost layer of muscle that lines the chambers of the heart.
Epicardium ✅The outside layer of muscle in the wall of the heart.
Pulmonary Trunck ✅The artery that transports blood from the right ventricle.
Purkinje Fibers ✅Muscle fibers in the heart that can receive electrical impulses.
Sinoatrial Node (SA Node) ✅A structure in the right atrium of the heart that generates electrical
impulses.
Amino Acids ✅Nitrogen-based molecules containing other distinct compounds that determine their
functions; the building blocks of protein.
Antibodies ✅Proteins that helps the immune system fight infections by binding to harmful pathogens
and making them harmless.
Arteriole ✅The smallest kind of artery.
Capillary Bed ✅An extensive mesh of capillaries.
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