Allen's heart rate and blood pressure were abnormally low, but we would reasonably expect the opposite in times of high stress. Which division of the autonomic nervous system do Allen’s symptoms suggest is most active in this case? What is the cause of this phenomenon? Be sure to provide a description of which neurons are affected/not affected.

it would lead to upper respiratory infections and pneumonia.

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

not: both offer magnification to the atomic level.