Test - Digestive System Flashcards Preview

5th Johnson_Owen Science > Test - Digestive System > Flashcards

Flashcards in Test - Digestive System Deck (12):
1

2. What structure enables the small intestine to absorb large amounts of nutrients?

Villi
64 - Clf Digestion

2

6. Which of the following organs is considered to be a part of the alimentary canal?

None of the pancreas, liver, or bladder are part of the alimentary canal
64. Clf digestion

3

11. When chyme enters the small intestine,


64 - CLF digestion

4

23. Where does digestion of carbohydrates begin?

the mouth
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5

24. what substance must be present in the stomach for pepsin to work best?

hydrochloric acid
63 - BP digestion

6

25. Where does the alimentary canal end?

the large intestine
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7

27. Why do we need to break apart the food we eat?

so our body’s can use the nutrients from the food
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8

29. What substance coats and protects the inside of the stomach?

mucus
63. BP Notes

9

34. Nutrient molecules pass through the small intestine into the bloodstream through tiny structures called _________.

Villi
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10

51. Using diagram A, name te structures the line or are found on the inside of organ C and describe their function.

The structures are Villi. Nutrient molecules pass into the cells on the surface of a villus and from there into blood vessels. The Villi provide a large area of absorption.
Answer sheet

11

52. Using diagram A, what specifically is the name of the area of organ C shown? In general, could organ C perform its function without organ B?

the duodenum of te small intestine. B is the pancreas which produces enzymes that aid in chemical digestion. Without these enzymes, the chemical digestion couldn’t happen.
Answer sheet

12

Using diagram A, give the letter and mane of the organ through which food is absorbed.

C - small intestine
64. Clf digestion