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Biology 12: Digestive System > Down > Flashcards

Flashcards in Down Deck (28)
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1

An enzyme which breaks down the disaccharide found in cow’s milk

Lactase

2

This structure is responsible for both digestion and absorption of food nutrients

Small intestine

3

An enzyme which works in the small intestine to digest peptides

Peptidase

4

An enzyme which acts in the duodenum to break down starch

Pancreatic amylase

5

A flap of skin which covers the internal nares (leads to nasal cavity) during swallowing

Uvula

6

This organ secretes several digestive enzymes into small intestines

Pancreas

7

How many anal sphincters does average human have?

2

8

Carbs and protein are absorbed into WHAT

Circulatory system

9

What takes nutrient rich blood from the capillaries surrounding the small intestine to liver

Hepatic portal vein

10

Feces is eliminated through this opening in body

Anus

11

Fats are absorbed into WHAT

Lymphatic system

12

WHAT breaks down starch into maltose in mouth

Salivary amylase

13

The first 25-30 cm of small intestine. Much of the chemical digestion of food occurs here

Duodenum

14

Another name for large intestine

Colon

15

WHAT is carried out by the teeth, tongue, and stomach

Mechanical digestion

16

WHAT contains many enzymes, including trypsinogen, lipase, and amylase

Pancreatic juice

17

The inactive form of the enzyme pepsin

Pepsinogen

18

WHAT prevents the back flow of material from the stomach into the esophagus

Cardiac sphincter

19

WHAT carries pancreatic juice to the common bile duct where 2 join go empty into duodenum

Pancreatic duct

20

An open sore on the wall of stomach

Ulcer

21

WHAT is main substance re-absorbed by large intestine

Water

22

An enzyme which works in the duodenum to digest fats

Lipase

23

This enzyme is secreted by the stomach to digest protein

Pepsin

24

This structure stores bile

Gall bladder

25

An enzyme which is produced by pancreas and works to digest RNA and DNA

Nuclease

26

An enzyme which works in the duodenum to digest protein

Trypsin

27

This substance is broken down by salvia

Starch

28

This substance is secreted by the stomach to break down food

Acid