Unit 4 - Digestive system

Question 1

Buccal cavity

Answer 1

The portion of the oral cavity surrounded by the lips, cheeks, and gums.

Question 2

Salivary glands

Answer 2

Any of various glands that discharge a fluid secretion and especially saliva into the mouth. Parotid glands, sublingual glands, submandibular glands.

Question 3

Epiglottis

Answer 3

A flap in the throat that keeps food from entering the windpipe.

Question 4

Oesophagus

Answer 4

The oesophagus is a long, muscular tube that connects your mouth to your stomach. When you swallow food, the walls of the oesophagus squeeze together (contract). This moves the food down the oesophagus to the stomach.

Question 5

Stomach

Answer 5

The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the oesophagus.

Question 6

Small intestine

Answer 6

The small intestine’s job is to absorb most of the nutrients from what we eat and drink. Velvety tissue lines the small intestine, which is divided into the duodenum, jejunum, and ileum.

Question 7

Large intestine

Answer 7

The large intestine is the last part of the gastrointestinal tract and of the digestive system in vertebrates. Water is absorbed here and the remaining waste material is stored as faeces before being removed by defecation.

Question 8

Anus

Answer 8

The opening at the end of the alimentary canal through which solid waste matter leaves the body.