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35 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are the 7 characteristics for a living organism? |
Movement Respiration Sensitivity Growth Reproduction Excretion Nutrition |
M R S G R E N |
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Give 3 reasons why we need to eat food. |
1. As a fuel to release energy. 2. To provide materials that our body need for growth. 3. To keep us healthy. |
Sport Child to adult Old age |
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A healthy diet consists of 7 key components. What are they? |
Carbohydrate Proteins lipids minerals vitamins fibre water |
C P L M V F W |
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Give sources of carbohydrates in our diet and what is the purpose of them? |
Sources: pasta cereals potatoes Use: to provide energy |
Good for running... |
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Give good sources of protein in our diet and what is the purpose of them? |
Sources: meats pulses and fish Use: Build new tissue Repair damaged tissues |
Strength+muscles |
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Give good sources of lipids in our diet and what is the purpose of them? |
Sources: certain oils dairy products nuts and fish
Use: provide energy Insulate body |
Lipids=fat...people |
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Give good sources of minerals in our diet and what is the purpose of them? |
Sources: fruit vegetables fish and milk.
Use: Helps to release energy from food. Good bone and teeth development. Makes red blood cells. |
Similar to vitamins |
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Give good sources of vitamins in our diet and what is the purpose of them? |
Sources: fresh fruit and vegetables.
Use: helps the body to work.
Vitamin A: vision Vitamin B: energy production Vitamin C: healthy skin Vitamin D: helps teeth and bones |
Good things... Eyes Running Body Calcium |
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Give good sources of fibre in our diet and what is the purpose of them? |
Sources: fresh fruits vegetables and wholegrain cereals.
Use: Makes our waste easier to push through the digestive system. |
Good things... Opposite of constipation |
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Give good sources of water in our diet and what is the purpose of them? |
Sources: Water and other drinks* Use: Digesting food Cooling us down Transporting materials Maintaining fluid levels * some drinks aren't as good and some are just bad. |
Its in the name... Food Sport Resources Necessities |
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What would happen if fibre was put in water? |
Nothing Its insoluble (doesn't dissolve) |
Trick question |
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What is peristalsis? What food group helps it? |
When tubes squeeze themselves and push the food along. Fibre makes peristalsis easier. |
Opposite of constipation |
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What is the test for simple sugars? What would show a positive test? |
Benedict's solution then add heat. Positive colour is brick red/orange. |
Beny-burns-bricks... |
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What is the test for starch?What would show a positive test? |
Iodine solution Positive colour blue-black |
Blue eye... |
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What is the test for fat?What would show a positive test? |
Chop it into small bits, add ethanol, add water. Positive test shows oil drops at surface. |
Ethan drinks drinks and eats fatty foods... |
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What is the test for protein?What would show a positive test? |
Biuret reagent Positive colour is pale lilac. |
Agent B likes a mixture of blue and red... |
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List the most efficient to the least on energy content on sugar, oil, fat |
Oil fat sugar |
Good for long distance |
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What is aerobic respiration? |
The process in which energy is released from food when oxygen is available |
Why do you have less energy underwater? |
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What is the equation for aerobic respiration? |
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Can't underwater+must eat---I panting+need bath+why its I important to eat. <-----I |
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What are the 7 things which have to be labeled on food products? |
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Look at some packaging, what would you want to know? |
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Name 2 minerals needed for a healthy diet and what are they used for? |
Calcium - bone, teeth and nail growth Iron - transporting oxygen and CO2 |
Milk and metal |
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What is digestion? |
The breakdown of complex large insoluble molecules, into smaller soluble molecules that can be absorbed. |
BIG to small So that... |
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What are the 2 types of digestion? |
Physical and chemical |
Teeth and stomach |
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What is physical digestion? |
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Pushing, squashing, clamping, touching... |
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What is chemical digestion? |
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Acids, gland, juices... |
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Name the places. |
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Name the 4 types of teeth? |
Molar, pre molar, canine, incisor |
M, pm, c, i |
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What is the job of the molars? |
Chewing and grinding |
Large bumpy surface |
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What is the job of the pre molars? |
Crushing food |
Similar but less strong then molars |
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What is the job of the canines? |
Holding food |
Tigers |
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What is the job of the incisors? |
Cutting food |
Thin like a knife |
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What is an enzyme? |
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Saliva |
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What is the enzyme and final product for breaking down large carbohydrates/starch? |
Enzyme: carbohydrate/amylase Final product: simple sugars/glucose |
Sounds like it... Sport... |
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What is the enzyme and final product for breaking down lipids? |
Enzyme: lipase Final product: fatty acids+glycerol |
Sounds like it... Fat energy... Syrup? |
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What is the enzyme and final product for breaking down proteins? |
Enzyme: protease Final product: Amino acids |
Sounds like it... Sounds call acid... |
