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TermDefinition
Alveoli tiny air sacs of the lungs which allow for a rapid gaseous exchange
Nephron (s) each of the functional units in the kidney, consisting of a glomerulus and its associated tubule, through which the glomerular filtrate passes before emerging as urine.
Deoxygenated to not have oxygen
Oxygenated to have oxygen
Valve(s) device that opens or closes to let things through or to prevent passage
Septum a partition separating two chambers
Artery muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated) is conveyed from the heart to all parts of the body.
Vein(s) tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart.
Capillary fine branching blood vessels that form a network between the arterioles and venules
Ventricle(s) each of the two main chambers of the heart, left and right
Atrium (atria) each of the two upper cavities of the heart from which blood is passed to the ventricles. The right atrium receives deoxygenated blood from the veins of the body; the left atrium receives oxygenated blood from the pulmonary vein
Pulse a rhythmical throbbing of the arteries as blood is propelled through them, typically as felt in the wrists or neck
Lymphocyte(s) a form of small leukocyte (white blood cell) with a single round nucleus, occurring especially in the lymphatic system
Antibody a blood protein produced in response to and counteracting a specific antigen. Antibodies combine chemically with substances which the body recognizes as alien, such as bacteria, viruses, and foreign substances in the blood
Plasma the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended
Immunity (passive/active) Active immunity involves your bodies direct response to an unknown pathogen. Passive immunity is an immune response which involves antibodies obtained from outside the body.
Platelets a small colorless disk-shaped cell fragment without a nucleus, found in large numbers in blood and involved in clotting
Antigen a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies
Agglutination the clumping of particles. Agglutination is the process that occurs if an antigen is mixed with its corresponding antibody called isoagglutinin.
Pathogen a bacterium, virus, or other microorganisms that can cause disease
Vena cava a large vein carrying deoxygenated blood into the heart. There are two in humans, the inferior vena cava (carrying blood from the lower body) and the superior vena cava (carrying blood from the head, arms, and upper body).
Aorta the main artery of the body, supplying oxygenated blood to the circulatory system. In humans it passes over the heart from the left ventricle and runs down in front of the backbone
Created by: MichelleU