Aleech attaches itself to the gums of a crocodile and sucks the crocodile's blood. then, the crocodile opens its jaws so that an egyptian plover bird can kill and eat the leech. the relationship between the crocodile and the egyptian plover is an example of a. parasitism b. commensalism c. mutualism d. predation

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.

cellular respiration oxidizes food into energy in the form of atps.

glycolysis (6 c hexose) > 2x atps are used > 6c hexose biphosphate > 2 x 3c triphosphate >

2 x 3c pyruvate (2x nadh produced from nad) and (4x atp produced)

pyruvate actively pumped mitochondrial matrix.