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horrorfan [7]
3 years ago
14

The lining of air sacs in the lungs

Biology
2 answers:
user100 [1]3 years ago
5 0
Within the lungs,the bronchi into smaller bronchi and even smaller tubes called bronchioles.
a_sh-v [17]3 years ago
3 0
<span>The answer is: simple squamous epithelium.</span>
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Hello! I figured your question was lacking its options so I went online to find them and here they are:

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<u>Positive feedback</u><u> is a mechanism in which a stimulus triggers an intensification of this same stimulus.</u>

When a tissue is damaged, the platelets participate in a process called platelet adhesion that consists of contacting and sticking to the collagen fibers of the connective tissue under the damaged endothelial cells. This platelet adhesion <u>activates</u> the platelets and makes them grow projections to contact and interact with one another, while releasing substances to activate other nearby platelets. The accumulation and the attachment of large numbers of platelets ultimately form a <u>platelet plug</u>.

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