What are consequences of having a low cardiac output? how will other body systems be affected?

The answer is that it means that the oxygen would be difficult to carry throughout the body, which happens that ATP would be lacking.  Because to create energy there’s a need for respiration and it requires an oxygen.  Also, other body systems will slow down because anaerobic respiration doesn't create enough ATP for the entire body.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.

not: both offer magnification to the atomic level.