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science > Digestive System > Flashcards

Digestive System Flashcards

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1
Q

What is the primary function of the digestive system?

A

To break down food into nutrients that the body can use.

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2
Q

True or False: The esophagus is part of the small intestine.

A

False

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3
Q

Fill in the blank: The ________ is responsible for the absorption of nutrients.

A

small intestine

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4
Q

Which organ produces bile?

A

Liver

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5
Q

What is the role of the stomach in digestion?

A

To mix food with gastric juices and break it down into a semi-liquid form.

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6
Q

Multiple Choice: Which of the following is NOT a part of the digestive system? A) Stomach B) Heart C) Pancreas D) Intestines

A

B) Heart

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7
Q

What enzyme is responsible for breaking down carbohydrates?

A

Amylase

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8
Q

True or False: The large intestine is primarily responsible for water absorption.

A

True

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9
Q

What is the main function of the pancreas in digestion?

A

To produce digestive enzymes and bicarbonate.

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10
Q

Fill in the blank: The ________ connects the throat to the stomach.

A

esophagus

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11
Q

Multiple Choice: Which part of the digestive system is primarily involved in the breakdown of proteins? A) Mouth B) Stomach C) Large intestine D) Anus

A

B) Stomach

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12
Q

What is the role of the small intestine’s villi?

A

To increase the surface area for nutrient absorption.

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13
Q

True or False: The gallbladder stores bile.

A

True

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14
Q

What is the main component of gastric juice?

A

Hydrochloric acid

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15
Q

Fill in the blank: The ________ is where the majority of nutrient absorption occurs.

A

small intestine

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16
Q

What is the function of the rectum in the digestive system?

A

To store waste before it is excreted.

17
Q

True or False: The digestive system includes the liver and pancreas.

A

True

18
Q

What is the role of saliva in digestion?

A

To begin the breakdown of carbohydrates and lubricate food.

19
Q

Fill in the blank: The ________ is the final section of the large intestine.

A

anus

20
Q

Multiple Choice: Which of the following organs is responsible for detoxifying harmful substances? A) Stomach B) Liver C) Gallbladder D) Pancreas

A

B) Liver

21
Q

What is the role of the duodenum?

A

To receive chyme from the stomach and continue digestion with enzymes.

22
Q

True or False: Food is absorbed in the stomach.

A

False

23
Q

How long is the large intestine in an adult?

A

The large intestine is about 1.5 meters long in an adult

24
Q

How long is the small intestine in an adult?

A

The small intestine is about seven (7) meters long in an adult

25
Q

What is the third group of enzymes?

A

The third group of enzymes is called lipases which breaks down fats

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