Match the words in each of these sets with their definitions

3. 
   Fill in the gaps with the words from the table. Read and translate the text.
   

Bile or __________ is a bitter-tasting, dark green to yellowish brown _________, produced by the liver of most vertebrates that aids the process of digestion of ___________ in the small intestine. In many species, bile is stored in the gallbladder and upon eating is discharged into the __________. Bile is a composition of the following materials: water (85%), bile _______ (10%), mucus and pigments (3%), fats (1%), ______salts (0.7%) and cholesterol (0.3%).

In the medical theories ___________ in the West from Classical Antiquity up to the Middle Ages, the body’s health depended on the equilibrium between four “humours” or vital fluids: blood, phlegm, “yellow bile” (or choler) and “black bile”. Excesses of the last two humours were thought to produce aggression and ___________, respectively; and the Greek names for them gave rise to the English words “cholera” and “melancholia”. Those same theories explain the __________ of the English word “bilious” from “bile”, and the meaning of “gall” in English as “exasperation” or “impudence”.

Bile acts to some extent as a surfactant, helping to emulsify the fats in the ________. Without bile salts, most of the lipids in the food would be passed out in ___________, undigested.

Since bile increases the absorption of fats, it is an important part of the absorption of the _________ substances, such as the vitamins D, E, K and A.

Besides its digestive function, bile serves also as the route of excretion for bilirubin, a __________ of red blood cells recycled by the liver. Bilirubin derives from _________ by glucuronidation.

4. 
   
   
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