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Digestive System Quiz

Authored by Mr Leverno

Science

8th Grade

Digestive System Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct order of these terms from smallest to largest?

Nutrient, microvilli, villi, small intestine

Microvilli, nutrient, villi, small intestine

Nutrient, villi, microvilli, small intestine

Villi, microvilli, nutrient, small intestine

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of saliva according to the text?

To break down food chemically

To moisten food and begin digestion of certain nutrients

To cool down the mouth

To add flavor to food

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are the cells lining the villi organized to aid their function?

The cells are randomly distributed

The cells are arranged into microvilli

The cells are separated by large gaps

The cells form a single flat layer

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is having a large surface area important for absorption in the small intestine?

It decreases the efficiency of nutrient absorption

It allows for faster food transit

It provides a large surface area for absorption

It reduces the contact with nutrients

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which other body part relies on a large surface area to function effectively?

Heart

Brain

Alveoli in the lungs

Muscles

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of enzymes as described in the lesson objectives?

To provide energy to cells

To speed up chemical reactions

To build cell structures

To store genetic information

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT listed as a key word in the lesson?

Enzyme

Vitamin

Protein

Lipid

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