A younger student is trying to push a heavy box down the hallway. They are pushing as hard as they can, but haven’t moved the box. Have they done any work? Why or why not?

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.

the answer is c. altitude. hope this ! #brainiac

answer; synapse; i believe this is correct,plz check first good luck;

answer; the male's sperm cells have mitochondria, but because the sperm contributes dna but no cytoplasm, no mitochondria are passed to the egg at ferilization;