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nutrition in human beings

APT

How Many Types Of Teeth Do We Have

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The Four Types of Teeth and How They FunctionThere are four different types of teeth. They are incisors, canines, premolars, and molars.Types of teethIncisors: They are also called biting teeth. They are flat, blade-like teeth. The incisors…
APT

Digestive System Of Human Body

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Digestive System Of Human BodyDigestive system is a group of organs & associated digestive glands that take part in ingestion, digestive absorption of food & egestion of undigestible matter. Digestive organs from a continuous canal…