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6th CK SCI Immune 3

6th CK SCIENCE Immune System Part 3 (p-w) (some circulatory -completed)

TermDefinition
Pathogen any microbe that can cause disease
Phagocyte any one of several white blood cells (leukocytes) that consume and digest invading pathogens; immune system cells that help clean up after a battle with an invader, they attract (by chemo taxis), adheres to, engulfs, and ingests foreign bodies
Plasma the liquid part of the blood
Plasma cells large cell factories that make antibodies quickly
Platelets a minute disk like cytoplasmic body found in the blood plasma of mammals that functions to promote blood clotting.
Protein molecules made up of amino acid; proteins are necessary in all living matter and are essential compound of the immune system
Protozoa extremely small creatures that mostly live in water
Pulmonary artery splits into two branches that carry blood from the right ventricle of the heart to the lungs
Red blood cells carry oxygen to all parts of the body
Right atrium chamber of the heart that receives blood from the inferior and superior vena cava
Right ventricle a powerful, muscled chamber of the heart that receives blood from the right atrium, then pumps it through the pulmonary artery
Sneeze sudden loud involuntary expulsion of air through the nose caused by irritation of the nostrils
Spleen a vascular organ located near the stomach in most vertebrates that is concerned especially with the filtration and storage of blood, destruction of red blood cells, and production of lymphocytes.
stem cells cells in the bone marrow that produce red blood cells, platelets, and white blood cells
Superior vena cava upper blood vessel that carries used blood into the right side of the heart
Suppressor T cells T cells that help control immune system function by holding back immune units from fighting an invader, keeping balance with the helper cells
Symptom an indication of a disease that the sufferer notices (headaches, aching joints, sore throat, runny nose)
T-cells lymphocytes or white blood cells that stimulate the immune response. The HIV virus attacks and destroys t-cells.
Vaccine a man-made substance that stimulates antibody production in the body to produce immunity against a specific disease/illness
Veins blood vessels that carry blood to the heart
Virus microbes that need a host to survive, main goal is to reproduce and spread. causes disease; too tiny to be seen with an ordinary microscope; made of proteins and genetic material. does not need nutrients to survive
White blood cells any various blood cells that have a nucleus and cytoplasm, which separate into a thin white layer when whole blood is centrifuged; infection fighting cells
Created by: artisteacher