Digestive System

Question 1

Food is chewed in the mouth and mixed with _________?

Answer 1

saliva

Question 2

In the stomach, the food is mixed with _____________.

Answer 2

gastric juices

Question 3

Food travels down the __________ into the stomach.

Answer 3

oesophagus

Question 4

Food leaves the stomach and travels to the ___________.

Answer 4

small intestine

Question 5

_________ are absorbed into the blood.

Answer 5

nutrients

Question 6

The process by which the body breaks down food so that it can be used for energy.

Answer 6

digestion

Question 7

Which 2 organs store solid waste then allow it to pass through and leave the body?

Answer 7

Rectum and Anus

Question 8

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

Answer 8

So our bodies can use the nutrients from the food

Question 9

As waste moves through the digestive system, the ______ absorbs water before storing waste in the rectum.

Answer 9

Large intestine

Question 10

In what structures does chemical digestion occur?

Answer 10

Mouth and Stomach

Question 11

What structure normally keeps stomach contents from backing up into the esophagus?

Answer 11

lower esophageal sphincter

Question 12

enzyme digests proteins?

Answer 12

trypsin, chymotrypsin

Question 13

Which organs are included in the lower GI tract?

Answer 13

small and large intestine

Question 14

Parts of the small intestine

Answer 14

Duodenum, Jejunum and Ileum

Question 15

parts of the large intestine

Answer 15

Ascending, Transverse and Descending colon

Question 16

Which enzyme below is involved in the following chemical digestion process?
FATS—->FATTY ACIDS/GLYCEROL

Answer 16

Lipase

Question 17

______carries out most of the absorption of nutrients in the small intestine,

Answer 17

jejunum

Question 18

_____carries out any remaining digestion and absorption of nutrients, but its main function is to absorb vitamin B12 and bile salts.

Answer 18

ileum

Question 19

Remove water and salts from chyme for recycling within the body and eliminating the remaining solid feces from the body through the anus.

Answer 19

large intestine

Question 20

The main digestive function of the____ is the production of the alkaline liquid called bile.

Answer 20

liver

Question 21

The_____ stores and concentrates bile from the liver until it is needed in the duodenum to neutralize chyme and help digest lipids.

Answer 21

gallbladder

Question 22

helps to digest starch and other carbohydrates

Answer 22

amylase

Question 23

helps to digest lipids

Answer 23

lipase

Question 24

help to digest nucleic acids

Answer 24

deoxyribonucleases and ribonucleases

Question 25

What are two substances produced by accessory organs of digestion that help neutralize chyme in the small intestine?

Answer 25

bicarbonate and bile

Question 26

Which accessory organ of digestion synthesizes cholesterol?

Answer 26

liver