Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

science- sec 3 > Nutrition > Flashcards

Nutrition Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

What is nutrition?

A

Nutrition is all processes that are involved in the absorption, use and elimination of substances needed in order for the body to sustain itself

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Digestive system

A

The food we eat is absorbed and transformed into substances - nutrients - that our cells can use

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Respiratory system

A

Our cells need oxygen in order to use the nutrients we eat. That’s why in addition to eating we also have to breath at least 12 to 15 times a minute

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Cardiovascular system

A

Allows us to circulate the oxygen and nutrients to our cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Urinary System

A

Filters blood and eliminates waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Protein

A

Functions- build and repair cells and tissues
Provide energy

Sources- dairy products, meat, fish, eggs, nuts, legumes, tofu

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Carbohydrates

A

Functions- body’s main source of energy

Sources- monosaccharides and disaccharides: fruits, fruit juices, pastries, sweets, carbonated drinks, granulated sugar, milk

         Polysaccharides (aka starch): breads, cereal, pasta, potatoes, rice, legumes, Casanova
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Fats/ lipids

A

Fonctions- store and provide energy
Building blocks of hormones and call membranes
Protect organs and insulate the body from the cold

Sources- dairy products (except skimmed), vegetable oils, butter, fatty meats and fish, croissants, French fries, eggs, nuts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Water

A

Fonctions- transports nutrients and waste products
Regulates body temp
Essential to numerous chemical reactions in the body
Sources- fruit and fruit juice, vegetables and vegetable juice, soups, milk, energy drinks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Vitamins

A

Fonctions-contributing to chemical reactions
helping in energy production
helping fight off infections by strengthening the body
repairing damaged tissue
Sources- fruits, vegetables, dairy products, whole grains, eggs, liver

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Minerals

A

Fonctions- building tissues ( e.g. Bones and teeth)
maintaining fluid balance in the body
helping muscles contract
transporting oxygen in the blood
Sources- dairy products, legumes, seafood and fish, fruits, vegetables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Food groups

A

Vegetables and fruits
Grain products
Milk and alternatives
Meat and alternatives

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is a diet?

A

A specific eating plan, a food plan tailored to you. Depends on health (gluten free) or to lose weight

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Why do we need calories?

A

Energy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many calories should I consume?

A

Depends on age, sex, weight, physical activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Are fast food restaurants healthy?

A

Depends on what you eat

17
Q

How do we get what we need from food?

A

Body breaks it down and takes its nutrients

18
Q

Saturated fat

A

100% saturated- all bonds are occupied no more can be added
Hard to break down
85% saturated- easier to break down

19
Q

Trans fat

A

Very hard to break down, not good for u

Ex: margarine

20
Q

Metabolism

A

Term that is used to describe all chemical reactions involved in maintaining the living state of the cells and the organism

Eat less - metabolism slows down

21
Q

What is a calorie?

A

A unit of OF energy. In a nutritional sense, all types of food – whether they are fats, proteins carbs or sugars – are important sources of calories, which people need to live and function

22
Q

A joule

A

Unit used for energy

1 cal = approx 4184 J= 4.18 kj

23
Q

Caloric value

A 
Carbs = 4/ gram 
Lipids = 9cals/ gran 
Proteins= 4 cals/ gram
24
Q

Recommended daily amounts

A

Carbs- 50-55% daily intake
Fats - less than 30%
Proteins- 15-20%

25
Q

Indicator for simple carbs ( glucose)

A

Fehlings reagent a and fehlings b

26
Q

Indicator for complex carbs (starch)

A

Lugols solution

27
Q

Indicator for detecting chloride

A

Silver nitrate

28
Q

Indicator for detecting proteins

A

Biuret reagent

29
Q

Indicator for detecting fats

A

Sudan IV

science- sec 3 (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions