in the lungs, oxygen passes through the walls of the and into the blood.

The results of the dexa measurements are known as?

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What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.