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1.  What be the differences between internal and external respiration?
interior(a) respiration is when the clays cells consume oxygen and expel carbon dioxide. External respiration is when your body is actually subsisting or ventilating. The difference is internal respiration happens at the cellular level tour external respiration is the actual breaths.

2.  What atomic number 18 the key functions overall of the respiratory system?
The key functions of the respiratory system is to bring send out and air into the alveolar air sacs so that the air can enter into the bloodstream while the carbon dioxide exits. It excessively maintains the bodys pH levels and body temperature.

3.  What is the hilus?
The hilus is located on the inside of the lungs and it is where blood vessels, nerves, and bronchi enter the lungs.

4.  What ar the functions of the cilia and the mucus that are found in the respiratory system?
The mucus lies in the hairs of the nasal cavities and it traps distant matter within the air when you are breathing. The cilia are in charge of pushing the with trapped foreign matter to the throat where it can be swallowed/ digested or expectorated.

5.  How are the epiglottis and the larynx link up in structure and in function?




The larynx is also known as the voice box because it contains your bodys vocal chords. The epiglottis is a small flap of tissue that closes over the larynx when one is swallowing (deglutition). The epiglottis prevents food or liquids from entering the larynx. They are related in structure because they are both do of tissue. They are related in function because they work unneurotic in order to protect and use your voice.

6.  What is the relationship of the bronchi, the bronchioles, and the alveoli?
The bronchi, bronchioles, and alveoli are all in the lungs and they are all used in the process of breathing. The bronchi is what the trachea branches off into. The bronchioles are the smaller branches that the bronchi severalise into. The...If you want to get a full essay, order it on our website: Orderessay



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