Explanation:
a. Nasal cavity: the epithelium in this zone is meant to provide a physical barrier to the invasion of microorganism or particles, it also secretes and remove mucus and foreign particles, these epithelial cells are also involved in the igE producing process (perpetuating allergic responses. <em>The nose is the first barrier to the air that enters our body, that's why the epithelial cells in this zone focus in filtering foreign particles. </em>
b. Bronchiole: epithelium is ciliated and no ciliated, it becomes cuboidal in smaller passages as it continues to branch. The no ciliated cells, also known as club cells are the ones that produce surfactant. <em>Since bronchioles are passages to direct the air to the alveoles epithelial cells in this zone have adapted to go from larger branches to smaller ones to reach the alveoli. </em>
c. Alveolus: it's composed of two types of cells, type one, that constitute the air-blood barrier and type two, cells that produce surfactant to reduce surface tension to keep the alveolus shape when breathing.<em> Since alveoli's function is to allows oxygen/carbon dioxide to move between bloodstream the epithelial cells in this organ evolved to cover this job.</em>
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Answer:
White blood cells (WBCs) are a part of the immune system that helps fight infection and defend the body against other foreign materials. Different types of white blood cells are involved in recognizing intruders, killing harmful bacteria, and creating antibodies to protect your body against future exposure to some bacteria and viruses.
Explanation:
During an examination, an adolescent client tells the nurse about being anxious and frustrated because of the facial acne. "This is one of the most common physical changes during adolescence."
<h3>What are the changes that occur in adolescence?</h3>
Growth spurts and changes brought on by puberty occur during adolescence. An adolescent may gain several inches in a few months, then experience very slow development for a while before experiencing another growth spurt. Puberty (sexual maturation) changes can occur suddenly or gradually, depending on the individual.
<h3>Physical Changes</h3>
Pre-teens frequently experience some sort of body dissatisfaction. If they experience too much discontent, they could develop shyness or become particularly sensitive to embarrassment. But be aware that some people can have the complete opposite reaction; they might put on a loud and hostile character in an effort to make up for feelings of inferiority and self-consciousness.
<h3>Emotional instability</h3>
Teenage years cause children to feel more intensely about everything. Every encounter seems to be enormous. Pleasures become more enticing, annoyances more upsetting, fears more terrifying, and frustrations more intolerable. Some young people may experience severe depression.
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