Your question is badly written. unless you're looking for the avagrados number than its 6 x 10^23 and it means that for every one mole there that number.
Under a microscope, gram-positive bacteria (when dyed with the gram stain) appear in purple-colored structures due to the peptidoglycan cell wall.
<h3>What are gram-positive bacteria?</h3>
Gram-positive bacteria are microorganisms (bacteria) that may be colored with crystal violet stain due to the presence of a peptidoglycan-based cell wall.
In conclusion, under a microscope, gram-positive bacteria (when dyed with the gram stain) appear purple-colored structures due to the peptidoglycan cell wall.
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Smooth muscle is present throughout the entire tracheobronchial tree. Bronchial smooth muscle tone is regulated by the vagus nerve, which, when stimulated, causes constriction (bronchospasm), and by the sympathetic nervous system, which produces dilation (bronchodilation).
<u>Answer</u>: all the answers apply
Cardiovascular disease can affect both the heart and blood vessels and the most common sign is chest pain. It is the leading cause of death in the United States with it being responsible for one in every four deaths. Quitting smoking will improve the health of the heart and blood vessels as well as greatly reducing the risk of recurrent heat attack and cardiovascular death.
It is your circulatory system that takes nutrients and oxygen to cells and takes CO2 from them
