Which evidence from the sea floor shows that tectonic plates move ? a) The sea floor is much older than any of the continents. b) The sea floor is youngest near a mid-ocean ridge and older farther away. c) Mid-Ocean ridges circle Eqarth like seams in a baseball d) The sea floor is thinner than continental crust.
The trachea, colloquially called the windpipe, is a tube that connects the pharynx and larynx to the lungs, allowing the passage of air, and so is present in almost all air-breathing animals with lungs.he trachea is lined with a layer of pseudostratified columnar epithelium, a type of epithelium. The epithelium contains goblet cells, which are glandular, modified simple columnar epithelial cells that produce mucins, the main component of mucus. Mucus helps to moisten and protect the airways.
It is part of the inside of your throat. The trachea is the tube that brings air into the lungs, commonly called the windpipe. The trachea is the rubbery tube that connects â¦ the nose and mouth to the lungs, and is an important part of the vertebrate respiratory system.