AP BIOLOGY

ANIMAL PHYSIOLOGY

NERVOUS SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which correctly follows the pathway of food through the digestive tract?
A
Mouth-stomach-esophagus-small intestines-large intestines-rectum
B
Mouth-esophagus-stomach-small intestines-kidneys-large intestines-rectum
C
Mouth-esophagus-stomach-large intestines-small intestines-rectum
D
Mouth-esophagus-stomach-small intestines-large intestines-rectum
Explanation: 

Detailed explanation-1: -The organs that make up your GI tract, in the order that they are connected, include your mouth, esophagus, stomach, small intestine, large intestine and anus.

Detailed explanation-2: -The correct order in which food passes through alimentary canal is: Mouth, pharynx, esophagus, stomach, small intestine, large intestine, anus.

Detailed explanation-3: -Esophagus: The esophagus is a muscular tube that connects the pharynx (throat) to the stomach. The esophagus contracts as it moves food into the stomach. A “valve” called the lower esophageal sphincter (LES) is located just before the opening to the stomach.

Detailed explanation-4: -Final answer: Mouth

There is 1 question to complete.