NEET BIOLOGY

HUMAN PHYSIOLOGY

DIGESTION AND ABSORPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of bile?
A
digests fats
B
emulsifies fats
C
accumulates fats
D
absorbs fats
Explanation: 

Detailed explanation-1: -Bile is a fluid that is made and released by the liver and stored in the gallbladder. Bile helps with digestion. It breaks down fats into fatty acids, which can be taken into the body by the digestive tract.

Detailed explanation-2: -In the small intestines bile emulsifies fats while enzymes digest them. The intestinal cells absorb the fats. Long-chain fatty acids form a large lipoprotein structure called a chylomicron that transports fats through the lymph system.

Detailed explanation-3: -One of bile’s jobs is to emulsify fats, meaning it enables fat and water to mix. Bile contains molecules that are partly attracted to fat and partly attracted to water. These molecules draw fat and water together by sandwiching themselves in between the two.

Detailed explanation-4: -Bile salts helps in emulsification of fats, i.e., breaking down of the large fat droplets into very small micelles. Bile also activates lipase enzymes, which digests fats.

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