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the cartilaginous flap at the top of the mammalian trachea, which closes off the entrance to the respiratory tract during swallowing.
the condition in which a persons' normal capacity to think or act is affected due to the...
simple epithelium with cuboidal shaped cells that lines various glands with a secretory function...
cellular respiration that takes place when free oxygen is absent
a species that helps scientists identify the age of sedimentary rocks.
a hormone produced by the pituitary gland, which helps to limit the amount of water lost from...