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Nata [24]
3 years ago
7

A smoker sees his doctor because he had a persistent cough for months and is short of breath after very little exertion. what di

agnosis will the doctor make and what can the person expect if he does not quit smoking?
Biology
1 answer:
koban [17]3 years ago
4 0
Caused by the body clearing out the chemicals that enter through the airways and lungs through tobacco use. Leads to a variety of other conditions like bronchitis, higher risk of bacterial and respiratory infections, emphysema, COPD, and lung cancer
Hope this helps you!
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What are the phases of the cell cycle
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Select the statement that describes recruitment in muscle contraction. Neurotransmitters from the synaptic terminal of a motor n
vlada-n [284]

Answer:

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solmaris [256]

1.

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2.

Then, some prokaryotic cells evolved to use the sunlight to produce energy and release O2 into the atmosphere about 2.8 billion years ago. Therefore, the correct answer is C. 2.8 billion.

3.

After that, the prokaryotic cells evolved to cells with organelles bounded by membranes, and then the eukaryotic cells evolved about 2.5 billion years ago. Therefore, the correct answer is B. 2.1 billion.

4.

A long time after that, aproximately 650 million years, the first life composed of an organism with multiple cells evolved. Therefore, the correct answer is A. 650 million.

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Serjik [45]
One is 2nd and 2 is 4th one
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