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🌿5 Biology > 28 Human Nutrition > Flashcards

28 Human Nutrition Flashcards

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1
Q

What are the end products of digestion

A

Monosaccharides
Amino acids
Fatty Acids+ Glycerol

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2
Q

What is peristalsis

A

Its a wave of muscular action that forces food through the intestines

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3
Q

What is the function of the colon

A

The function of the colon is to reabsorb water

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4
Q

Define a balanced diet

A

A balanced diet contains all the necessary food types in the correct proportions

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5
Q

What is the funtion of the ileum

A

The function of the ileum is to absorb nutrients

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6
Q

What is the main function of the duodenum

A

The main function of the Duodenum is Digestion

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7
Q

What is dietary fibre alsp called

A

Roughage

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8
Q

What stimulates peristalsis

A

Fibre

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9
Q

Dentalformula

A

2( I2/2 C1/1 PM2/2 M3/3)

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10
Q

Define digestion

A

Digestion is the pysical and chemical breakdown of food

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11
Q

What is nutrition

A

Nutrition is the way in which an organism gets its food. 2 Main types
Autotrophs Heterotrophs

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12
Q

Whats a autotroph

A

Autotrophs make their own food. Eg Plants as they make their own food by photosynthesis

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13
Q

Whats a heterotroph

A

Heterotrophs take in food from the environment. Eg Fungi
Heterotrophs are either parasites or saprophytes

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14
Q

Difference betweeh Parasite and Sacrophyte

A

Parasites take in their food from a live source. Eg fleas
Saprophytes take in food from a dead source. Eg Bacteria

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15
Q

Is a human a heterotroph

A

Yes

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16
Q

Is a human an omnivore carnivore or herbivore

A

Omnivore

17
Q

Where are proteins chemically digested

A

Stomach and duodenum(small intestine)

18
Q

The substance produced by the pancreas to neutralise stomach acid is called….

A

Sodium Hydrogen Carvonate

19
Q

The stomach has a pH of

A

2

20
Q

Symbiotic bacteria in the colon produce vitamins

A

B and K

21
Q

What are the ways in which Villi are adapted for absorption of soluble foods

A

Rich blood supply
Their walls are only one cell thick
Large numbers increase surface area
Large numvers of microvillis increase surface area

🌿5 Biology (29 decks)

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