Whats another name for the tailbone?

coccyx can be another name for a Tailbone

Explanation:

The coccyx is a triangular arrangement of bone that makes up the very bottom portion of the spine below the sacrum. It represents a vestigial tail, hence the common term tailbone.

the coccyx us another name for tailbone

Because they are hydrophobic

Explanation:

The image shows a cell membrane, which is made up a phospholipid bilayer. The phospholipid bilayer is made up of a phosphate head, which is hydrophillic, and fatty acid tail, which is hydrophobic. That means they are repelled by water.

Because the tails are hydrophobic, they are repelled by the water towards one another, while the heads remain facing outwards,