8. The alimentary canal is the series of organs that food passes through as it is digested. Identify these organs starting at the esophagus and ending at the
rectum.
9. How does the liver of the rat differ from the liver of a human?
10. What organs are found in the thoracic cavity of both the rat and the human?
What structure marks the boundary of the thoracic cavity from the abdominal
cavity?

The selling price of houses would be most likely to decrease if there were first a decrease in which of the following? a. new-housing construction. b. mortgage interest rates. c. the unemployment rate. d. construction workers' wages. 2b2t

One pound of material is required for each finished unit. the inventory of materials at the end of each month should equal 20% of the following month's production needs. purchases of raw materials for february would be budgeted to be:

Because of the violent nature of the sport, professional american football players are at risk of suffering concussions (or brain injuries) during the violent collisions that occur between players during the game. violent collisions involving hits to the head are particularly risky. suppose the commissioner of the national football league (nfl) institutes a rule requiring players to wear a new, lighter helmet that is designed to reduce head trauma during collisions between players on the field. while the new helmets the probability of a concussion resulting from each individual collision, at the same time the new helmets could also give football players an incentive to play more , which could potentially the amount of violent collisions and thus the number of concussions suffered by nfl players, all else equal.