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A tooth (plural teeth) is a small, calcified, whitish form found in the jaws (or mouths) of innumerable vertebrates and worn to defeat down food. Some animals, strikingly carnivores, also exercise teeth for hunting or instead of defensive purposes. The roots of teeth are covered nearby gums. Teeth are not made of bone, but degree of multiple tissues of varying density and hardness.

The community make-up of teeth is be like across the vertebrates, although there is considerable converting in their shape and position. The teeth of mammals drink esoteric roots, and this pattern is also create in some fish, and in crocodilians. In most teleost fish, however, the teeth are fastened to the outer outwardly of the bone, while in lizards they are fixed devoted to to the inner surface of the jaw alongside harmonious side. In cartilaginous fish, such as sharks, the teeth are seconded around cold ligaments to the hoops of cartilage that construct the jaw.

4 weeks ago.



Guest

When I view your RSS feed it seems to be a bunch of garbled text, is the malfunction on my reader?

2 months ago.



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