You have just consumed a meal very high in fat. as a result, hormonal messages will tell an organ to send in amounts matched to the amount of fat present.

The bile juice is responsible for the digestion of the fats.  

In case, the food is rich in fats, the hormonal messages are transferred to the liver and the gall bladder. As a result of these hormonal message, the bile juice is released into the lumen of the small intestine. The amount of the bile juice depends upon the fat content in the food.

So, the correct answer is bile.

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.