Airway Respiratory System

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A) The overall structure of the breathing (ventilation) system:

A ventilation system is a system which let air in and out of the lungs. The ventilation system is very well structured. Firstly, the ventilation system is structured with a long windpipe called the trachea, which purpose in the ventilation system is to be able to inhale and exhale the air to and from the lungs. The trachea then connects to the lungs, which are able to also inhale and exhale air. Within the lung tissue, it contains branches which are called bronchioles. These bronchioles are able to make sure that air is provided to the aveolus; these aveolus are structured as irregular circles at the end of the bronchioles which allow oxygen to be able to be absorbed in the blood …show more content…

This helps to enable the function of the alveoli due to it being able to provide a much larger surface area than if it was just a normal circle shape. The advantage of having this larger surface area is that there is more room for gaseous exchange to take place. For example, with the larger surface area, it allows more oxygen to be absorbed into the blood, as well as more carbon dioxide coming out of the blood.

D) Why multi-cellular organisms need well developed ventilation systems:

The reason as to why multi-cellular organisms need well developed ventilation systems is because these organisms are very large, it requires more than just the process of diffusion to be able to give the right nutrients and oxygen to all the cells within the body due as well as were the organism is larger, the surface area as well as the volume decreases so it wouldn't reach all of the cells. With the use of a well developed ventilation system it allows the gaseous exchange between oxygen and carbon dioxide to be much more greater and the muscles and cells will get the oxygen they

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