Digestion And Absobtion

Question 1

What is an alimentary canal, where does it start and where does it end? (3)

Answer 1

Starts with mouth, ends with anus, and includes all tubes in between.

Question 2

What is nutrition? (1)

Answer 2

Food entering the alimentary canal

Question 3

What is digestion? (1)

Answer 3

Food broken up into smaller pieces

Question 4

What is absorption? (2)

Answer 4

Small pieces of food going into bloodstream to be taken to cells

Question 5

What is egestion? (2)

Answer 5

Food that wasn’t absorbed and passes out the end of the digestive system.

Question 6

What three molecules are too big and cannot be absorbed? (3)

Answer 6

Protein starch and fat.

Question 7

By what process does protein starch infect get broken down into smaller pieces through the alimentary canal?

Answer 7

Digestion

Question 8

Name the building block of each of these big molecules. They will be broken down to inside the alimentary canal. (6)

Answer 8

Protein - amino acids
Starch - glucose
Fat - glycerol, fatty acids

Question 9

State function of mouth (3)

Answer 9

Chew food
Saliva breakage into sugar
Tongue helps to swallow

Question 10

Define Salivary glands (1)

Answer 10

Produce and release saliva

Question 11

Define Esophagus (3)

Answer 11

Tube carry food from mouth to stomach with peristalsis.

Question 12

Define liver (3)

Answer 12

Makes bile
Breakdown, toxic substances
Helps with fat digestion

Question 13

Define stomach (3)

Answer 13

• Hydraulic acid kills bacteria
• Stomach juices breakdown, protein to amino acids
• Churning movements makes food with juices

Question 14

Define gall bladder (1)

Answer 14

Store bile

Question 15

Define pancreas (2)

Answer 15

• Juice that they just protein starch and fats
• Helps control blood sugar levels (hormones, glucagon, insulin)

Question 16

Define large intestine (1)

Answer 16

Water is absorbed

Question 17

Define small intestine (2)

Answer 17

• Pancreatic juice, digest, protein, starch, and fats
• small components are absorbed into bloodstream

Question 18

Define appendix (1)

Answer 18

Possibly housing, beneficial bacteria

Question 19

Define anus (1)

Answer 19

Undigested food exits body

Question 20

Names of the parts food passes through incorrect order. (6)

Answer 20

Mouth
Esophagus
Stomach
Small intestine
Large intestine
Anus

Question 21

Organs with food does not pass through.

Answer 21

Salivary glands
liver
Gallbladder
Pancreas
Appendix

Question 22

Where is the alimentary canal does digestion take place? (3)

Answer 22

Stomach, mouth, small intestine

Question 23

Where in the alimentary canal does absorption take place? (2)

Answer 23

Large intestine, small intestine