Air or gas in the pleural space is termed:  

The hepatic portal system carries blood from the digestive tract to the:  

Wavelike contractions of the digestive tract constitute:  

The inhalation of food into the lungs is termed:  

Your friend, Jim Halpert, needs to figure out the cheapest source of energy to feed his livestock. Please calculate the relative energy value of the following feeds and determine the least expensive option.   The alfalfa costs $_______/mcal. Show and label your work on the file upload but just provide a numerical answer here, rounded to the nearest thousandth (3 decimals). Feed  Price/unit  Lb./unit  Mcal/lb.  Oats  $2.00/bushel  32 lb./bushel  1.32  Corn  $3.15/bushel  53 lb./bushel  1.54  Alfalfa  $200/ton  2000lb/ton  1.38 

(The next 3 questions go together and use this same information.) In order to settle a heated debate between the Dunder Mifflin Feed Company (A) and the Michael Scott Feed Company, LLC (B), you have been hired to evaluate a feedstuff from each source. Calculate cost per lb. of CP for each of the following feedstuffs to determine which is the cheaper source per unit of CP. (Remember there are 2,000 lbs. in 1 ton.)  The price per pound of crude protein is $_____/lb. CP for Feed A. (Show all work and label it in your file upload, but just enter a numerical answer here rounded to the nearest penny.   CP content of feed ingredients from competing companies:  Feed  CP %  Price/ton  A  44  $654  B  30  $410   

Your friend, Jim Halpert, needs to figure out the cheapest source of energy to feed his livestock. Please calculate the relative energy value of the following feeds and determine the least expensive option.   The least expensive option is __________. Feed  Price/unit  Lb./unit  Mcal/lb.  Oats  $2.00/bushel  32 lb./bushel  1.32  Corn  $3.15/bushel  53 lb./bushel  1.54  Alfalfa  $200/ton  2000lb/ton  1.38 

All of the following are part of the heart’s conduction system, except:  

What might you find in the stomach of a pig?

Melatonin is secreted by the: