I think they put flavoring in the liquid cartridges to make them more addictive. People are going to want the newer flavors because of the taste. Some people use them as coping skills or sometimes to be “trendy” or “cool”. E-cigarettes are very damaging to your lungs worse then regular cigarettes.
Answer – B. (Return blood to the lungs)
The function that capillaries serve in the cardiovascular system is to return blood to the lungs. The capillaries beds are the area where the excess carbondioxide produced by the cells are exchanged with oxygen. The deoxygenated blood is then transported by the capillaries through the circulatory system back to the lungs for reoxygenation
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I would probably say C. economic class
Since there are no options listed to choose from, my best guess would be watches, since a lot of apple watch products are now sold with built in heart monitors.
C. chemical digestion. sorry if I am wrong
