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Question 1

The Digestive System Can Be Divided Into Two Main Parts which are?

Answer 1

1. Digestive Tract/alimentary tube (gastrointestinal (GI) tract):
   Consists of mouth, pharynx, esophagus, stomach, small intestine, large intestine.
2. Accessory Organs (not directly part of the digestive tract):
   salivary glands, liver, gall bladder, pancreas

Question 2

It is the first part of the digestive tract where it receives food by ingestion is the?

Answer 2

Mouth or oral cavity

Question 3

Structures in the mouth?

Answer 3

• teeth
• salivary glands
• tongue

Question 4

The pharynx is a tube like structure made of muscle lined with…………

Answer 4

mucus membrane

Question 5

The tube that connects the pharynx to the stomach?

Answer 5

Esophagus

Question 6

involuntary process of muscular contraction forcing the bolus (food) down to the stomach is called?

Answer 6

Peristalsis

Question 7

Location of the stomach?

Answer 7

upper part of the abdominal cavity just under the diaphragm

Question 8

The mucosal lining of the stomach has folds called……… that contain gastric glands that secrete……..and………

Answer 8

rugae, gastric juice and HCl (hydrochloric acid)

Question 9

Pepsinogen (inactive form of enzyme) is a component of gastric juice, which converted into active pepsin by
………….

Answer 9

hydrochloric acid

Question 10

The entrance and exit of food into the stomach is controlled by muscular structures called …………

Answer 10

sphincters

lower esophageal sphincter and the pyloric sphincter.