Aaron complains to his parents that he is experiencing significant pain in his right leg, and he does not have much of an appetite. aaron's father takes him to the doctor for a thorough exam. after getting lab results, the doctor reports, "the pain is his leg is likely due to the presence of misshapen red blood cells." of the following disorders, which is the most likely diagnosis of aaron's condition?
a) sickle-cell anemia
b) down syndrome
c) tay-sachs disease
d) klinefelter's syndrome

A) Sickle-cell anemia

Explanation: People with this disorder have atypical hemoglobin molecules called hemoglobin S, which can distort red blood cells into a sickle, or crescent, shape.

cognitive activities are mental processes through which we make sense of the world around us or get to know or experience our environment (internal and external). examples of cognitive activities are reasoning, thinking, perceiving, decision-making, listening, observing,etc.

i think the correct answer is b) humans who reduce their calorie intake by at least 25 percent on a long-term basis will live longer than they would have they not done so. i hope i you out