Answer:
descending tracts is the correct answer.
Explanation:
Viruses depend on the host cells that they infect to reproduce. When found outside of host cells, viruses exist as a protein coat etc.
true.
Answer:
Heart disease.
Heart attack
Stroke.
<h3><u> By damaging your airways and the small air sacs (alveoli) found in your lungs.</u></h3><h3><u /></h3><h2>
Hope this helps! Have a nice life!</h2>
