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How many cervical vertebrae are there in sea cow?

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(Sea Cow) Manatees are unusual amongst mammals in possessing just six cervical vertebrae which may be due to mutations in the homeotic genes. All other mammals have seven cervical vertebrae, other than the two-toed and three-toed sloths which have 8 cervical vertebrae. read more

There are seven vertebrae in the neck of a cow. Moving towards the rear of the animal, the thoracic region contains 13 vertebrae, each of which holds two ribs. The lower back, or lumbar area, contains six vertebrae, while the sacral region, found near the cow's hips, holds five bones. read more

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