A general term for narrowing would be contracting. I assume that this is applicable to the rectum, as it is a muscular tissue, and muscles are able to expand (extend, rather), and contract.
Hope this helps. And I hope I'm the brainliest!
DNA replication occurs during this phase
Oxygen atom, liver, amino acid, fat molecule, then carbon dioxide molecule
The occipital region
“The occipital lobe is one of the four major lobes of the cerebral cortex. The occipital lobe is the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex.”
The correct answer would be option D. The statement that best describes what plasma is in chemistry is, an electrically charged gas with very high kinetic energy. A plasma is defined as a hot ionized gas, which exists at super high temperatures.