digestive

• Science
• Secondary Education

HUMAN DIGESTIVE SYSTEM

DIGESTION IN THE STOMACH

LEARNING OBJECTIVE:

Analyze the process of mechanical and chemical digestion in the stomach.

Evaluate how enzymes and stomach acid contribute to digestion.

Digestion in stomach

Digestion takes place only in stomach

yes

no

upload the answers of case study

.What is the process of breaking down food into simpler substances called?

1. Ingestion
2. Digestion
3. Absorption
4. Assimilation

Where does the digestion of proteins begin in humans?

1. Mouth
2. Stomach
3. Small intestine
4. Large intestine

What is the main purpose of food for animals?

1. Growth and entertainment
2. Growth, repair, and functioning of the body
3. Growth and sleep
4. Repair and reproduction

Which enzyme is primarily responsible for the digestion of proteins in the stomach?

1. Amylase
2. Pepsin
3. Lipase
4. Trypsin

Which part of the stomach connects to the small intestine?

1. Fundus
2. Body
3. Cardia
4. Pylorus

What is the role of mucus in the stomach?

1. To digest proteins
2. To activate digestive enzymes
3. To protect the stomach lining
4. To neutralize stomach acid

Which of the following is not a function of hydrochloric acid in the stomach?

1. Activating pepsinogen to pepsin
2. Providing an acidic pH for enzyme activity
3. Killing ingested bacteria
4. Breaking down carbohydrates