Answer:
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Explanation:
I got the question correct
That which is NOT part of the respiratory membrane of the lungs is:
- A thin layer of ciliated epithelial cells
<h3>What is the respiratory membrane?</h3>
The respiratory membrane is the surface of the lungs where there is an exchange of gases. There are many parts that make up the respiratory membrane of the lungs.
Some of these are; the respiratory mucosa, the adventitia, and the submucosa. The thin layer of ciliated epithelial cells is not a part of the respiratory membrane but is a hair-like structure that helps to remove unwanted substances from the body.
So the correct answer is: a thin layer of ciliated epithelial cells.
Learn more about the respiratory membrane here:
brainly.com/question/7839167
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Cos(2θ) = cos²θ - sin²θ = (1-sin²θ)-sin²θ = 1-2(7/9)^2 = -17/81
