<span>The limbic system is a collective term for a group of nuclei, tracts, and cortical areas lying beneath the neocortical surface that covers the brain and that surrounds the thalamus at the core of the forebrain.</span>
I belive the answers are:
A, C, and D
Please tell me if Im wrong (I maybe)
B - it relays info between your brain and the rest of your body
C: Cell
Because these are all in the cardiovascular system
A normal O2 Sat on room air is 96-100%. When a patient is on O2 by nasal cannula, the Sat level will of course be higher due to O2 is continuous
