14 terms

Room 27 Mogadore Body Vocabulary

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respiration
the process of obtaining and using oxygen in the body
diaphragm
a sheet of muscle below the chest cavity that helps control breathing
mucus
a sticky fluid that traps and prevents foreign particles from entering the body
cilia
small hairlike structures that move small particles of dirt out of the respiratory system
diffusion
the process by which a substance such as a gas moves from areas of high concentration to areas of low concentration
plasma
the pale-yellow liquid part of blood that contains nutrients
hemoglobin
a chemical that carries oxygen around in the body
platelet
a cell fragment in blood that helps blood to form blood clots
artery
a blood vessel that carries blood away from the heart
vein
a blood vessel that carries blood toward the heart
capillary
the smallest type of blood vessel, where materials are exchanged between blood and body cells
transfusion
taking blood from one person and giving it to another person
antibody
a protein in blood that helps the body find and destroy materials that may be harmful
trachea
a stiff tube lined with cartilage that transports air between the throat and lungs
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