Food & Digestion Flashcards
What does balanced diet means??
All the 7 groups in the correct amounts
All the seven component of a balanced diet are:
Carbohydrates, Fats, Protein, Water, Fibre, vitamins, minerals
2 examples of Carbohydrates:
Bread & Pasta
2 examples of Fats
Butter, avocado
2 examples of protein:
Meat & egg
2 examples of Fibre:
Cereals, fruit & veg
2 examples of water
drinks & fruit
2 examples of Vitamins & minerals:
Fruit, vegetables, diary
Carbohydrates give us…
Energy
Fats give us…
Energy & make cell membranes
Protein are for…
Growth & repair
Fibre are to…
Help keep food moving in the digestive system
Water is for…
Chemical reactions and transport
Vitamins are in…
Small amounts for cells to work properly
Minerals are in…
Small amounts to make body chemicals.
Why do some people need more food than others?
People need different amount of food because depending on their job they need more energy or less. E.g. a builder needs more food than a teacher because he need to carry a lot of weight and move a lot.
What does malnourished means?
To be malnourished means that you are missing one of the seven nutrients.
Diseases caused by malnutrition are…
Scurvy, rickets & obesity
When we test fat the…
Filter paper turns translucent (leaves a greasy mark)
When we test protein…
biurets solution turns from blue to cloudy purple (precipitate)
When we test glucose the…
benedicts solution turn from blue to red
When testing starch the…
Iodine Changes from brawn to black
Organs in the digestive system…
Are the mouth/oesophagus/stomach/liver/pancreas/small intestine/ large intestine/ rectum
The function of the mouth is…
Teeth chew and grind the food, chemicals in the saliva help to break food down into smaller molecules.
The function of the oesophagus is…
To transport food from the mouth to the stomach
The function of the stomach is…
Churns the food to break it up into even smaller pieces. Acid is added to kill bacteria and break down food molecules even more.
The function of the small intestine is for…
Important nutrients from the food are absorbed into the blood as food travels through.
The function of the large intestine is to…
Excess water is reabsorbed back into the body as digested food passes through.
The rectum function is to…
Stores feces (waste from food) until it can be excreted.
The definition of digestion is…
Breaking down large food molecules into smaller molecules so they can be absorbed by the body.
Food is digested by…
Chemicals called enzymes
Give some names of three digestive enzymes.
Carbohydrase= digest carbohydrates Lipids= digest fats Protease= digest protein amylase= digests starch
Arteries…
Carry away blood from the heart to the rest of the body
Veins…
Carry blood Back to the rest of the heart from the rest of the body
Capillaries…
Deliver blood to all cells of the body allowing oxygen and nutrients to diffuse from the blood into the cells, and waste products to diffuse out of the cell into the blood.
Our energy should come from…
50% Carbohydrates
30% Fats
20% Protein
Calcium is good…
for our teeth and bones
iron is good…
for health + grow
iron is found in…
red meat
calcium is found in…
diary products
the Job of the liver is…
preguntarle a Carlos
