NEET BIOLOGY

HUMAN PHYSIOLOGY

DIGESTION AND ABSORPTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
thick, semi-liquid mixture that food in the gastrointestinal tract becomes by the time it leaves the stomach
A
nutrient
B
food
C
bolus
D
chyme
Explanation: 

Detailed explanation-1: -The stomach muscles churn and mix the food with digestive juices that have acids and enzymes. These juices help break up food into much smaller pieces. By the time food is ready to leave the stomach, it has been turned into a thick liquid called chyme (kime).

Detailed explanation-2: -chyme, a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion.

Detailed explanation-3: -The stomach wall produces gastric juice (hydrochloric acid and enzymes) that digests proteins. The stomach acts like a concrete mixer, churning and mixing food with gastric juice to form chyme-a thick, soupy liquid.

Detailed explanation-4: -The partially digested food and gastric juice mixture is called chyme. Gastric emptying occurs within two to six hours after a meal. Only a small amount of chyme is released into the small intestine at a time.

Detailed explanation-5: -Chyme or chymus (/kaɪm/; from Greek khymos, “juice") is the semi-fluid mass of partly digested food that is expelled by a person’s or an animal’s stomach, through the pyloric valve, into the duodenum (the beginning of the small intestine).

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