Animal nutrition Flashcards

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1
Q

Name 7 food groups:

A
  1. Carbs
  2. Proteins
  3. Fats
  4. Vitamins
  5. Fibre
  6. Water
  7. Minerals
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2
Q

What does carbs do?

A

Provides excellent source of energy. Break down by enzymes into glucose, used in respiration to release their energy.

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3
Q

What is the name of the food that is needed for growth and repair of our cells and tissues?

A

Proteins.

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4
Q

Fats?

A

An excellent long term store of energy and our bodes respire it when we are low on glucose.

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5
Q

Vitamins?

A

Needed to help maintain good health, some help immune system.

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6
Q

Fibre?

A

Helps digest food pass through the intestines by giving the the process of peristalsis something to “push” against.

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7
Q

What helps keep our bodies hydrated?

A

Water.

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8
Q

What do minerals do?

A

helps with good health, some can be helpful for healthy bones and teeth.

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9
Q

What does calcium do?

A

Needed to make haemoglobin in red blood cells.

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10
Q

What the equation for finding out how much energy was released from the food samples?

A

temperature change x water constant x mass of water = energy released from food.

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11
Q

Name parts of the Digestive system:

A
  1. Mouth
  2. Salivary glands
  3. Oesophagus
  4. Stomach
  5. Liver
  6. Gall bladder
  7. Pancreas
  8. Small intestine
  9. Large intestine
  10. Rectum
  11. Anus
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12
Q

What is Ingestion?

A

The intake of food. Small pieces of food are bitten off larger pieces and chewed in the mouth.

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13
Q

Digestion?

A

The chemical breakdown of food, using enzymes, from large particles into smaller particles.

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14
Q

Absorption?

A

Food particles pass through the gut wall, by diffusion, into the blood stream.

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15
Q

Assimilation?

A

Using the food for growth, energy and health.

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16
Q

Egestion?

A

The removal of solid waste from the body.

17
Q

What is the pH level in the mouth and the enzyme present?

A

8, amylase

18
Q

What part of the gut has a pH of 2 and pepsin as the enzyme present?

A

Stomach

19
Q

What are the three enzymes present in the small intestine (secreted from the pancreas)?

A

amylase, trypsin, lipase

20
Q

What are the enzymes present in the small intestine walls ?

A

Peptidases

21
Q

How is the small intestine adapted to absorb?

A
  • Very long (6m)
  • Folded inner surface lined with many villi.
  • Surface of villi only 1 cell thick.
  • Epithelial cells on villi have microvilli on their surface.
  • Villi have lacteal inside.
  • Excellent blood supply.