Familiarity information: FLOAT used as a noun is common. â¢ FLOAT (verb) The verb FLOAT has 9 senses: 1. be in motion due to some air or water current 2. be afloat; stay on a liquid surface; not sink 3. set afloat 4. circulate or discuss tentatively; test the waters with 5. move lightly, as if suspended 6. put into the water 7. make the surface of level or smooth
Most Mammals Have 7 Cervical Vertebrae â Not Quite Enough to be Evidence for Evolution Giraffes have seven cervical vertebrae (neck bones), the same number as humans. Given that the giraffe's neck is so much longer than ours, some people are surprised we have the same number of neck bones. The fact of the matter is that nearly every mammal has seven neck bones â mice, dogs, and even whales.
In Depth: Vertebra of the Neck. The cervical spine consists of seven vertebrae, which are the smallest and uppermost in location within the spinal column. Together, the vertebrae support the skull, move the spine, and protect the spinal cord, a bundle of nerves connected to the brain. All seven cervical vertebrae are numbered. The C1, the first vertebra in the column (closest to the skull), is also known as the atlas.