2010 exam revision

minimum amount of energy used to maintain normal body temperatures to keep the heart beating and all organs functioning

• excercise increases BMR doing the activity increases the heart rate increasing BMR
• fasting as the body conserves energy in fear there there will not be more food and wants to stay alive

vitamin D

kidney failure

both guides show suitable proportions for each food group and foods are groupded according to the major nutrients supplied in both guides

removes moisture to prevent bacteria reproducing

wholegrain products, porridge and pasta

• anaemia due to inadequate absoroption of vitamin B12, iron and folate
• diarrhoea, abdominal pain due to impaied water and carbohydrate consumption, urination and unabsorbed fatty acids

a mothers diet contains excess alcohol can lead to a low birth weight, as kilojoules from alcohol displace protein that leads to the birth and growth of tissue in the blood

cigarette smoking leads to low birth weight as it supresses appetite in mother, meaning intake of less kilojoule foods is required for the baby to survive.