Fuelling Champions: the Biology of Sport

Answers:
Carbohydrate and fat
Rice cereal toast (bread) baked potato sandwiches (bread) and pasta.
Carbohydrates are a good source of slow-release energy so they will keep her going throughout the race.
First they are broken down during digestion into glucose then energy is released by respiration
Glucose + Oxygen ( Water + Carbon dioxide
C 6H12O6 + 6O2 ( 6H2O + 6CO2
May also give the equation for anaerobic respiration:
Glucose ( Lactic acid
C 6H12O6 + ( 2C 3H6O3
Chicken fish steak beans and lentils.
Rugby needs a lot of strength (tackling scrums etc) so he needs to build up muscle. It s also a contact sport so he needs to repair frequently damaged tissues.
They are a good source of quick-release energy (sugar) but low in fat compared to other biscuits. Lots of other sugary foods tend to be high in fat.
You would get fat! Excess energy in your food which is not used by your body is stored as fat.

1Nutrition and respiration for sportFuelling Championshttp://teachable.net/res.asp?r=12352 A balanced dietWhat are the components of a balanced diet?
What is the function of each component?Click boxes in table to reveal3A balanced diet food sourcesWhich foods are good sources of each
nutrient?Click boxes in table to reveal4One of these nutrients is especially important to athletes because it acts as the body s main fuel. Which one?Protein
Carbohydrate
Fat
Minerals
Vitamins
Fibre
WaterFat is also a source of energy but it is much harder for the body to burn than carbohydrates. Excess energy in your food is stored as fat in your body.Click to reveal5Carbohydrate Types
There are two kinds of carbohydrates:6Carbohydrate Digestion
Carbohydrates are broken down during digestion:
Click boxes for labels
Carbohydrates
(starch)
Glucose
(sugars)
Amylase
(enzyme)7Carbohydrate Chemical TestsHow do we test for starch and glucose?Test for starchClick test to start animationTest for glucoseAdd dilute iodine If starch is present food solution turns blue/black Add Benedict s solution and heat If glucose is present an orange/red precipitate appears 8Respiration
C6H12O6 + 6O2 6H2O

Four super-fit sports stars talk about their diets
Kelly Holmes
Runner double Olympic gold medallist 2004 800m and 1500m
When you compete in a sport seriously you have to be careful with your diet and use food to help with your recovery and to give you energy.
Drinking water is important but having a balanced diet gives you everything you need to be healthy and strong.
I eat a lot of chicken fish vegetables and rice - it's important you have the right fuel in your body. I'll eat more carbohydrates leading up to a big race for a bit more fuel. Lawrence Dallaglio
Rugby Player former England captain and World Cup winner 2003
On a training day I'll have cereal and toast before training a cooked breakfast late morning then soup and maybe some chicken or fish and steamed vegetables for lunch. Then I eat again at 5pm with the kids and my girlfriend and I will