1. And neutralize it. Now the chyme is no longer acidic, and it will not harm the intestinal walls. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine.

2. So we’ll summarize here that bicarbonate ions coming in with pancreatic juice are basic and therefore they neutralize excess acid in the chyme. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine.

3. Although some proteins are broken down in the stomach, there are still proteins remaining in the chyme when it reaches the duodenum. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. p r o t e i n s

4. Pancreatic juice contains enzymes that will break down proteins. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. proteins

5. In the duodenum, these enzymes mix with the proteins Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. proteins

6. And with a series of chemical reactions, break down the protein molecules into their building blocks, amino acids. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. proteins

7. So we’ll summarize here that pancreatic juice has enzymes which break down proteins into amino acids. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine.

8. Chyme also contains undigested fats. Bile breaks down large fat globules into smaller ones, but it doesn’t chemically break down fats. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. f a t s

9. Pancreatic juice also contains enzymes that will break down fats. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. fats

10. In the duodenum, these enzymes mix with the fats Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. fats

11. And with a series of chemical reactions, break down the fat molecules into their building blocks, fatty acids. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids and glycerol. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. fats

12. So here we can summarize that pancreatic juice brings enzymes into the duodenum that will break fats down into their building blocks, fatty acids. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine.

13. Chyme from the stomach contains some carbohydrates that have not been broken down into simple sugars. These can include starches and more complex sugars. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. c a r b o h y d r a t e s

14. Pancreatic juice also contains enzymes which break down complex carbohydrates into simple sugars. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. carbohydrates

15. These combine with these carbohydrates Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. carbohydrates

16. And through a series of chemical reactions, break down these carbohydrates into simple sugars. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine. carbohydrates

17. So we’ll summarize here that pancreatic juice brings enzymes that break down complex carbohydrates into simple sugars in the duodenum. Functions of Pancreatic Juice 1.Bicarbonate ions (HCO 3 – ) in pancreatic juice are basic, so they neutralize the excess acid in the chyme. 2.Pancreatic juice contains enzymes which break down proteins into amino acids. 3.Pancreatic juice contains enzymes which break down fats into fatty acids. 4.Pancreatic juice contains enzymes which break down carbohydrates into simple sugars. 5.Amino acids, fatty acids, and simple sugars can be absorbed into the bloodstream. This happens further down in the small intestine.