Answer: if choice D is a virus , then its an exception to the cell theory
Horizontal or transverse or axial cut is if you cutting the object with the horizontal plane. The cut would look like ( -- ).
Vertical or longitudinal is cutting in the vertical plane. The cut would look like ( | )
There is also coronal cuts which were a cut with direction from front to back.
I would guess giant pandas because they aren't referring to a regular panda. giant pandas are a type of panda that live in Asia. then there are other types too. my second guess would be humans just because there are no other "species" or type of human but the pure form of human.
The superior esophageal sphincter is a <u>muscular ring</u> that separates the pharynx from the esophagus, has voluntary activity and is responsible for initiating swallowing.
What is the superior esophageal sphincter?
It is located immediately after the pyriform sinuses, it is a muscular ring located in the high pressure area between the pharynx and the esophagus.
This prevents the passage of air into the digestive tract during inspiration and the reflux of gastric material into the pharynx, relaxing to open the esophagus.
In order for a muscle-building athlete to keep muscles in good shape, it is necessary to synthesize more muscle protein than is consumed, which is known as nitrogen balance..
Therefore, we can conclude that the superior esophageal sphincter is a muscular ring that separates the pharynx from the esophagus, has voluntary activity and is responsible for initiating swallowing.
Learn more about esophagus here: brainly.com/question/14762195
