I am pretty sure it's C. Insulator.
Answer:
The correct answer is: It allows large masses of food to pass through the esophagus when swallowing.
Explanation:
The trachea, or windpipe, is a hollow organ that <u>connects the larynx to the bronchi and allows the passage of air</u> so it can reach the lungs and make the gas exchange possible.
The trachea has cartilages around it to reinforce the tube for protection and to maintain the airway open. The places where there's cartilage are the anterior and the lateral sides of the trachea. This cartilage has the shape of an incomplete ring, or the shape of a C to allow the passage of food. The side that has no cartilage is the posterior side of the trachea, which is the side that is <u>in relation to the esophagus</u> - the part of the gastrointestinal tract that transports the food from the buccal cavity to the stomach.
Answer:
The answer is A because it erodes rocks away over time
Explanation:
A
Answer:
Cellular differentiation.
Explanation:
Cellular differentiation is the process in which a cell changes from one call type to another. Usually, the cell changes to a more specialized type. Differentiation of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types.
Answer:
fluvial wetlands
Explanation:
The earliest megafossils of land plants were thalloid organisms, which dwelt in fluvial wetlands and are found to have covered most of an early Silurian flood plain. They could only survive when the land was waterlogged.