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Anatomy & Physiology > Digestive System > Flashcards

Digestive System Flashcards

0
Q

What is the function of the mouth in the digestive system?

A

Mechanically breaks down food by chewing

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1
Q

What is peristalsis?

A

Rhythmic involuntary contractions of the smooth muscle (to move food along digestive tract)

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2
Q

What is the function of the tongue?

A

Mixes food and makes swallowing happen/easier.

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3
Q

What is the function of salivary glands?

A

Produces saliva to act as a lubricant.

Contains enzyme amylase which starts chemical breakdown of food in omnivores and herbivores

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4
Q

What is the function of the oesophagus?

A

Carries food from the mouth to the stomach

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5
Q

What is the function of the cardiac sphincter?

A

The muscle which controls the passing of food from oesophagus to the stomach

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6
Q

What is the Function of stomach?

A

Temporary store for food

Mechanical breakdown continues and churned then broken down to small particles.

Mixes with hydrochloric acid which kill organisms.

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7
Q

What is the Function of pyloric sphincter?

A

Control passing of food from the stomach to the small intestine

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8
Q

What is the Function of the liver?

A 
Production of bile
Storage of foodstuff
Manufacture of proteins
Production of heat
Processing waste products
Detoxification of any harmful substances
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9
Q

What is the Function of pancreas?

A

Produces hormones insulin and glucagon to control sugar levels in blood

Produce enzymes which digest proteins, fats, carbs in small intestine.

Enzymes essential for chemical digestion

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10
Q

What enzymes does the pancreas produce?

A

Amylase
Lipase
Trypsin

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11
Q

What enzyme digests carbohydrate and what is the product?

A

Amylase

Product: sugars

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12
Q

What enzyme breaks down fat molecules and what is the product?

A

Lipase

Product: fatty acid+glycerol

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13
Q

What enzyme breaks down protein and what is the product?

A

Trypsin

Product: Amino acids

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14
Q

What is function of bile duct?

A

Tube that bile travels down to small intestine to aid in fat digestion

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15
Q

What is the Function of gallbladder

A

Bile is made in liver and stored in gall bladder

Important for absorption and digestion of fats

16
Q

What is the function of the Small intestine?

A

Main site of digestion and absorption of food into blood stream

Large surface area
Absorption increased by villi

17
Q

What’s is the Caecum’s function?

A

In herbivores it ferments and breaks down plant material

18
Q

What is the Large intestines function?

A

Colon re absorbs any useful salts and water from food material

19
Q

What is a Hind gut fermenter?

A

Herbivores

Break down food in caecum and large intestine

Animals that have a Simple stomach with larger more complex large intestine

20
Q

What is the function of bile?

A

It emulsifies fats

Anatomy & Physiology (20 decks)

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