In an asthma attack, people have difficulties to breathe becuase the airway is reduced, the lungs excrete mucus, etc.
Answer:

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Answer:
C.
20 minutes a day, two days out of the week
Explanation:
i took the test
Answer:
he main difference between epithelial tissue and connective tissue is their function and the cells they are comprised of. Epithelial tissue consists of three cell types; squamous, cuboidal and columnar. The tissue is one (simple) or more (stratified) cells thick. Skin is made of epithelial tissue.
The answer i found when i looked it up was <span> pulmonary</span>
The answer for that question is b