Yr 9 Diet and Bodily Functions 1

Question 1

What’s in a balanced diet?

Answer 1

Eating a sufficient amount of all 7 food groups

Question 2

What are the 7 food groups?

Answer 2

-protein
-carbohydrates->sugars
->starches
-vitamins
-minerals
-fibre
-water
-lipids (fats)

Question 3

What are the sources of carbohydrates (sugars)?

Answer 3

-sweets
-cakes
-fruit
-chocolate

Question 4

What function in the body do carbohydrates (sugars) play a role in?

Answer 4

-they are used in respiration to release energy for the body to use

Question 5

What are some sources of carbohydrates (starch/polysaccharides)?

Answer 5

-bread
-rice
-cereals
-pasta
-potatoes

Question 6

What function in the body do carbohydrates (starch/polysaccharides) play a role in?

Answer 6

-they are digested into sugars and then used in respiration
-or stored in the liver as glycogen (an energy store)

Question 7

What are some sources of lipids?

Answer 7

-butter
-oils
-cream
-red meat

Question 8

What function in the body do lipids play a role in?

Answer 8

-used as an energy store
-can be broken down and used in respiration
-they release twice as much energy as carbohydrates
-have to be carried in the blood combined with protein (lipoprotein)

Question 9

What are some sources of protein?

Answer 9

-meat
-eggs
-fish
-nuts
-peas
-legumes (lentils,chickpeas etc.)

Question 10

What function in the body does protein play a role in?

Answer 10

-used for growth and repair of tissues
-also makes enzymes and hormones that do reactions in your cells

Question 11

What are some sources of vitamins?

Answer 11

-many sources depending on the nutrient
e.g. vitamin C comes from fresh fruit & vegetables but vitaminnD comes from dairy products and fatty fish

Question 12

What function in the body do vitamins play a role in?

Answer 12

-needed in tiny amounts to keep the body functioning
e.g. vitamin A needed for low light vision
vitamin B helps you process or get energy from the food you eat
vitamin C helps with the growth and repair of tissue in all parts of your body
vitamin D helps regulate the amount of calcium and phosphate in your body
etc.

Question 13

What are some sources of minerals?

Answer 13

-many different sources depending on the nutrient
e.g. iron comes from red meat (like steaks and green vegetables (like spinach)

Question 14

What function in the body do minerals play a role in?

Answer 14

-needed in tiny amounts to keep the body functioning
e.g. iron is needed to make haemoglobin*
*haemoglobin is the protein contained in red blood cells that is responsible for the delivery of oxygen to the tissues

Question 15

What are some sources of fibre?

Answer 15

-cereals
-vegetables
-fruit
-basically any plant material

Question 16

What function in the body does fibre play a role in?

Answer 16

-helps food move through digestive system
-prevents constipation by bulking up faeces
-reduces the risk of bowel diseases like colon cancer

Question 17

What are some sources of water?

Answer 17

-drinks
-most fruit and vegetable

Question 18

What function in the body does water play a role in?

Answer 18

-dissolves chemicals in cells and tissue fluids
-makes up most of your body

Question 19

What factors mean a person needs more energy intake from their food?

Answer 19

-they are active exercise daily
-they are children/adolescents (need more energy to grow)
-they are pregnant
-they have a higher metabolism
-they are male(usually)

Question 20

What factors mean a person needs less energy intake from their food?

Answer 20

-they are female(usually)
-they have a slower metabolism
-they are adults*
*they are older so they become less active and their metabolism slows down which means their body needs less energy