2. humans respiratory system contains bronchi for conveying air into the lungs whereas insects have for conveying air throughout the body.

cramming before a final is bad because it makes a student's stress level higher. students who embrace cramming to get through a final exam week find themselves struggling to perform consistently, once the brain adjusts to prolonged sleep deprivation.

c. movement because i took the test and it lets me review my answers

b. lithosphere, asthenosphere, mesosphere   is the answer most likely