Nutrition + digestive system

Question 2

What is the digestive system?

Answer 2

The digestive system is a group of organs, known as the alimentary canal or the gastrointestinal tract.

Question 3

What is the function of the digestive system?

Answer 3

Digestion and Absorption

Question 4

What are the 4 major stages of food processing?

Answer 4

Ingestion, digestion absorption/ assimilation and egestion

Question 5

What is the Alimentary csnal made up of?

Answer 5

Oral cavity, pharynx,oesophagus,stomach,small intestines,large instentines,rectum and anus

Question 6

What other organs help to digest food?

Answer 6

Liver,Gallbladder and pancreas

Question 7

What are the digestive system stages?

Answer 7

Ingestion - food enters the digestive system (mouth)
Digestion - food is physically broken down into small pieces (mouth,stomach)
Chemical -digestive enzymes break food pieces into smaller, microscopic molecules(mouth,stomach,small intestines)
Absorption - water and digested food enter the bloodstream from the digestive system( food in the small intestines,water in the large intestines)
Excretion - Undigested food leaves the system in the form of faeces(anus)

Question 8

What are the two types of digestion?

Answer 8

1 Mechanical or physical
2 Chemical