Digestion

Question 1

What are 4 stages of food processing?

Answer 1

Ingestion, Digestion (chemical & mechanical), Absorbtion, Elemination.

Question 2

What enzyme is present in the mouth? Where are they produces? What does it do?

Answer 2

Salivary amylase is produces by saliva glands. It’s used to break down the complex sugars (starches) before they get further.

Question 3

What is created as a result of chewing and tongue movements?

Answer 3

Bolus

Question 4

_________ protects lungs from food moving into trachea.

Answer 4

Epiglottis

Question 5

Where does bolus go after being chewed?

Answer 5

Esophagus

Question 6

_______ is muscular contractions that help food move through the esophagus.

Answer 6

Peristalsis

Question 7

What is the function of stomach?

Answer 7

To mechanically process food and turn it into chyme with three muscle layer (LCO) movements. It also breaks down proteins using enzymes.

Question 8

What is the enzyme that break down proteins is called in stomach.

Answer 8

Pepsin

Question 9

What does gastric juice contain?

Answer 9

HCl, salts, enzymes, and mucus.

Question 10

What is the pH level of stomach? What separates acid from getting into the small intestines?

Answer 10

pH is 2-3. Pyloric Sphincter closes when there’s no food to prevent acid spillage.