Science, Term 1, Nutrition And Digestion Flashcards

1
Q

Seven major components of a healthy human diet?

A

Carbohydrates, fats and oils, proteins, vitamins, minerals, fiber, and water

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2
Q

Why do we need carbohydrates in our diet?

A

To provide energy

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3
Q

Why do we need fats and oils in our diet?

A

For energy store and insulation

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4
Q

Why do we need proteins in our diet?

A

For growth, repair of cells and tissues

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5
Q

Why do we need vitamins in our diet?

A

Important for body processes and general health

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6
Q

Why do we need minerals in our diet?

A

Needed to make blood, bones, etc

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7
Q

Why do we need fiber in our diet?

A

To bulk up food to allow it to pass easily through the digestive system

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8
Q

Why do we need water in our diet?

A

For chemical reactions and transporting substances

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9
Q

Name two major factors that affect our energy requirements

A

Age and amount of excersize done

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10
Q

What is a deficiency disease?

A

A disease caused by lacking a component of a healthy diet

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11
Q

What does underweight mean?

A

When a person has a low body weight

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12
Q

What is the cause of being underweight?

A

A diet in which less energy is taken in than is used by the body

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13
Q

What are the symptoms of being underweight?

A

Tiredness, headaches, dry skin, and teeth problems

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14
Q

What is anaemia?

A

When a person doesn’t make enough red blood cells

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15
Q

What is the cause of anaemia?

A

Lack of iron

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16
Q

What are the symptoms of anaemia?

A

Tiredness, lack of energy, and shortness of breath

17
Q

What is obesity?

A

A disease in which a person has a lot of body fat

18
Q

What is the cause of obesity?

A

A diet in which more energy is taken in than used by the body

19
Q

Name three effects of obesity

A

Increased risk of type 2 diabetes, heart disease, and cancer