Microorganisms that infect the middle ear cavity most frequently come from the Pharynx.
<h3>How do Microorganisms migrate from Pharynx to the middle ear cavity?</h3>
The Eustachian tube, which joins the middle ear to the nasopharynx, balances air pressure in the middle and outer ears to prevent ear drum perforation. It is known that the nasopharynx and Eustachian tube are the routes through which these bacteria get to the middle ear.<em> Streptococci, Haemophilus pneumoniae, Moraxella catarrhalis, </em>and <em>Mycobacterium </em>are all known to reside in the middle ear.
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Yes it can live 150 years old
Answer: chemical reactions
Explanation: The function of an enzyme is to speed up chemical reactions. They do this by lowering the activation energy, which is the minimum energy that must be available for a chemical reaction to occur. If the energy required is lowered, the reaction can go faster.
From the anterior vena cava,blood flows to the right atrium.
Heart and lungs works hand in hand. Not only that they are close to each other but they also work to make sure that body gets enough oxygen that it needs to live. It is the heart that pumps blood through the body it passes through the lungs. then it is the job of the lungs to supply oxygen together with the blood that heart pumps.