In a clinical study, the drug methotrexate produced a blood level of 6.6 mg of methotrexate in each milliliter of blood (6.6 mg/mL). Express the methotrexate blood level in terms of mg/dL.

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

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cry and then a deep breath and breathe. let all your emotions out the way you need to, weather that crying a bunch or screaming do it then breath and remember it'll be okay.

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