<span>The answer is D. It occurs continuously in the cells of all organisms and often involves an exchange of gases. There are 2 types of cells, 1 is Eukaryotic, which holds a nucleus, and the 2nd is Prokaryotic, which do not. Prokaryotes are single-celled organisms,</span>
The reason people cry are for two reasons; One Reflex: the tears are cause by a reflex, from irritants such as wind, smoke, or onions. They are released to flush out these irritants and protect the eye. Emotional: Humans shed tears in response to a range of emotions. These tears contain a higher level of stress hormones than other types of tears.
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Vegetables, fruits, whole grains, beans, and seeds.
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Answer:
B) "Atherosclerosis is a long process that eventually results in calcification of heart valves."
