Digestive System Functions and Processes

Digestive System Functions and Processes

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video tutorial covers the processes of digestion and absorption, explaining how food is broken down into monomers for absorption in the small intestine. It highlights the role of enzymes in lowering activation energy for biochemical reactions, detailing specific enzymes like salivary amylase, pepsin, and lipase. The anatomy of the digestive system is discussed, including the functions of the stomach and intestines. The video also explains fluid and nutrient absorption, focusing on the role of villi and lacteals. Finally, it describes the digestion of macronutrients such as carbohydrates, lipids, and proteins.

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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of breaking down food into monomers during digestion?

To allow absorption into the small intestine

To change the color of food

To make food taste better

To increase the size of food particles

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which enzyme is responsible for breaking down starch in the mouth?

Nuclease

Salivary amylase

Lipase

Pepsin

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the optimal pH for pepsin activity in the stomach?

Very high

Very low

Slightly acidic

Neutral

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which organ is responsible for storing bile?

Liver

Pancreas

Gallbladder

Appendix

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the small intestine?

To break down vitamins

To store food

To absorb nutrients into the bloodstream

To produce bile

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which structure in the digestive system is responsible for the initial breakdown of proteins?

Large intestine

Mouth

Stomach

Small intestine

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the digestive system is primarily responsible for water absorption?

Small intestine

Esophagus

Large intestine

Stomach

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