Biology & Geology 3ºESO - Digestive system

Saliva contains a specific enzyme

• Amylase

• Peptidase

• Lipase

• Sucrase

Cavity shared by digestive and respiratory system

• Pharynx

• Larynx

• Esophagus

Select all the correct choices about peristalsis:

• it is based on wave-like contractions

• It moves the bolus toward the stomach

• It only occurs in the esophagus

Entry point in the stomach

• Cardia

• Pylorus

Hidrochloric acid (HCl) is a main component in

• Intestinal juice

• Gastric juice

• Pancreatic juice

• Bile

6 metres tube with many folds and glands

• Esophagus

• Small intestine

• Large intestine

Semi-fluid mass that is obtained at the end of the stomach

• Bolus

• Chyme

• Chyle

Enzyme that breaks up proteins into short chains

• Pepsine

• Amylase

• Maltase

• Lipase

It produces bile

• Liver

• Gall bladder

• Pancreas

It is divided intro three segments: duodenum, jejunum and ileum

• Small intestine

• Large intestine