HUMAN NUTRITION

NUTRITION

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which organ in the human body secretes lipase, amylase and protease?
A
Liver
B
Small intestine
C
Stomach
D
Pancreas
Explanation: 

Detailed explanation-1: -Along with lipase, the pancreas secretes insulin and glucagon, two hormones the body needs to break down sugar in the bloodstream. Other pancreatic enzymes include amylase, which breaks down a certain starch into its sugar building blocks, and protease, which breaks down protein into single amino acids.

Detailed explanation-2: -The pancreas secretes digestive enzymes into the duodenum and hormones into the bloodstream. The digestive enzymes (such as amylase, lipase, and trypsin) are released from the cells of the acini and flow into the pancreatic duct.

Detailed explanation-3: -Each day, your pancreas makes about 8 ounces of digestive juice filled with enzymes. These are the different enzymes: Lipase. This enzyme works together with bile, which your liver produces, to break down fat in your diet.

Detailed explanation-4: -Proteases Several proteases are synthesized in the pancreas and secreted into the lumen of the small intestine. The two major pancreatic proteases are trypsin and chymotrypsin, which are synthesized and packaged into secretory vesicles as the inactive proenzymes trypsinogen and chymotrypsinogen.

Detailed explanation-5: -In the human body, amylase is predominantly produced by the salivary glands and the pancreas. Although salivary and pancreatic amylases are similar, they are encoded by different genes (AMY1 and AMY2, respectively) and show different levels of activity against starches of various origins [10].

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