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40 Cards in this Set

  • Front
  • Back
microscopic, thin- walled chambers that make up the tissue of the lungs and allow gases to pass between the air and the bloodstream; sing., alveolus
a condition in which the ability of the blood to carry oxygen is reduced, causing weakness and fatigue
the opening of clogged arteries
a blood vessel in an animal or human that carries blood toward the heart
a blood vessel that carries blood away from the heart
microscopic, thin-walled blood vessels that link arterioles and venules; function to supply oxygen and nutrients to cells and to carry away meabolic wastes
a small bood vessel that carries blook from an artery to a capillary network
a small blood bessel that carries blood from capillaries to a vein
a chamber of the fheart that receives blood from veins
atria; artrium
1)either of the chamvers of the heart that receives blood from an atrium and pumps it into an artery;
2)a small cavity in the brain filled with cerebrospinal fluid
the amount of force that blood exerts upon the walls of the blood vessels
blood pressure
a type of allergy in which the bronchial tubes constrict, making breathing difficult
bronchial asthma
the branches into which a bronchus divides as it enters a lung
bronchial tubes
the branches of the respiratory passageway into which the trachea divides; sing, bronchus
the smallest branches of a bronchus wihtin a lung;terminate in alveoli
a system of specialized heart cells that generate electircal impulses and distribute them to all parts of the heart, enabling the heart to beat properly
cardiac conduction system
the buildup of fatty and fibrous tissue in the liver, often caused by prolonged alcoholism
either of the two arteries which supply vlood to the heart muscle
coronary arteries
a type of heart surgery in which a grafted blood vessel is used to supply the heart muscles with blood, bypassing blocked coronary arteries
coronary artery bypass surgery
in biology, the muscle that separates the thoracic and abdominal cavities in mammals and man
a type of heart failure caused by a blockage of blood flow to the heart muscles
heart attack
special structures of the heart that prevent blood from flowing in the wrong direction
heart valves
a complex machine located outside the body that can take over the function of theheart and lungs for a short time, allowing the heart to be stopped by suitable drusgs and operated upon
heart-lung machine
a special iron-containing blood protein, found om red blood cells, that transports oxygen throughout the body and gives blood its read color
the striated muscles between the ribs that expand the rib cage to aid in breathing
intercostal muscles
a tough white sac lined with a membrane that secretes a lubricating fluid; helps support and protect the heart an allows the heart to move easily within the chest as it pumps
the liquid part of blood
the rhythmic change of pressure in the arteries that results from the pumping action of the heart; causes the artery walls to bulge outward and return to normal in time with the heartbeat
an "identification tag" present on the red blood cells of people who are Rh positive
Rh factor
1) the thick vertical wall of the heart that divides the left atrium and ventricle from the right atrium and ventricle
2) any of the internal membranes that separate the body segments of an earthworm
a large, glandular organ located in the uppper left region of the abdomen that stores surplus red blood cells and functions as an organ of the lymphatic system
the movement of blood from the heart to all parts of the body except the lungs
systemic circulation
the movement of blood between the heart and the lungs
pulmonary circulation
the movement of blood from the digestive organs to the liver during systemic circulation
portal circulation
the movement of blood from the body organs through the kidneys during systemic circulation
renal circulation
the phase of the cardiac cycle during which the atria or ventricles are contractin and pumping blood
the phase of the cardiac cycle during which the atria or ventricles are relaxing, and filling with blood
the amount of air moved into and our of the lungs in any one breath during quiet, normal breathing; about 30 cubic inches or 1/2 liter
tidal volume
the maximum volume of air that can be exhaled after one takes the deepest breath possible, about 280 cubic inches (4.6 liters) in adults
vital capacity
a pair of tissue folds within the larynx that create vocal sounds when they vibrate; also called vocal folds
vocal cords