Chapter 3 - Digestive System

Question 1

Mouth

Answer 1

Mechanical digestion - teeth to grind food
Chemical digestion - Saliva contains Enzymes that digests carbs into glucose

Question 2

Oesophagus

Answer 2

Peristalsis - muscles push down bolus (food)
Epiglottis - prevents food into lungs
Sphincter - ring to open stomach

Question 3

Stomach

Answer 3

Mechanical - muscles churn food
Chemical -digestive juices break down protein into amino acids

Question 4

duodenum

Answer 4

Mechanical - churns food
Chemical - digestive enzymes from liver and pancreas are secreted

Question 5

Liver

Answer 5

Produces bile which is stored in the gallbladder, helps with breaking down fats into fatty acids

Question 6

Pancreas

Answer 6

secretes pancreatic juices, helps digests fats sugar and protein

Question 7

ileum

Answer 7

End of small intestine that absorbs fatty acids, amino acids and glucose. Has villi to increase surface area and absorption

Question 8

Large intestine

Answer 8

Absorbs water into blood, leaving behind solids.

Question 9

Vomit

Answer 9

infection trigger body to vomit from the stomach