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a molecule found inside red blood cells that can carry both oxygen and carbon dioxide.
a form of malnutrition caused by a severe shortage of protein in the diet.
an infection of the skin, caused by a parasitic fungus. It causes cracked, inflamed and itchy...
series of interlinked food chains by which energy circulates within an ecosystem.
a multi nucleate (many nuclei) cell resulting from cell fusions of uninuclear cells.
the first part of the intestine, from the pyloric valve of the stomach to the caecum. It...