Nutrition + digestive system Flashcards

1
Q
A
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2
Q

What is the digestive system?

A

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

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3
Q

What is the function of the digestive system?

A

Digestion and Absorption

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4
Q

What are the 4 major stages of food processing?

A

Ingestion, digestion absorption/ assimilation and egestion

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5
Q

What is the Alimentary csnal made up of?

A

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

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6
Q

What other organs help to digest food?

A

Liver,Gallbladder and pancreas

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7
Q

What are the digestive system stages?

A

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)

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8
Q

What are the two types of digestion?

A

1 Mechanical or physical
2 Chemical

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