The chromosomes and their component genes carried in every nucleated cell in your body represent your what?

A positive nitrogen balance is:

A. suggestive of a vitamin deficiency. B. when more nitrogen is ingested than is excreted. C. a key indicator of normal hydration. D. all of the above.

The diseases and injuries in the ________ List of the ICD are organized into chapters according to the source or body system.

Fill in the blank(s) with the appropriate word(s).