a. nervous
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Hemoglobin carries oxygen to the body's cells. which system contains hemoglobin?
a. nervous
b. endocrine
c. respiratory
d. circulatory
Answers: 2
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Which of the following mental illness does not begin during adolescence? a. post-traumatic stress disorder b. obsessive-compulsive disorder. c. schizophrenia. d. addictions
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Hemoglobin carries oxygen to the body's cells. which system contains hemoglobin?
a. nervous
a. nervous
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