Elisa se siente cansada porque tiene una condición que afecta si las moléculas correctas lleguen o no a sus células. Si su cuerpo estuviera funcionando de manera correcta (sano) , esto es lo que pasaría con el oxígeno:

dude the first thing it says is that copied answers will get a zero. plus it would take anyone on an incredibly long time to answer. ive seen 2 people asking the exact same question and their questions got taken down. i have the assignment too, and im in the progress of doing it. i suggest going to a more private website, because this is the first place teachers look.

answer; the region experienced a surplus of food;

answer; conditional stimulus will trigger a conditioned response;

answer; existed; limited;