food and the ideal diet Flashcards
what is a balanced diet
provides all the nutrients, in the correct amounts, needed to carry out the life processes
use of carbohydrates and where do we get them
they are glucose, which can be stored as starch and we use them as a source of energy. we can get them from rice, potato
uses of lipids and where do we get them
source of energy, provide insulation. we can get them from eggs, milk, cheese
use of protein and where do we get them
we use them for making catalysts, building cells. we can get them from soya bean and meat
symptoms of deficiency of vitamin c and where do we get it
scurvy - swollen gums
we can get them in lemons or limes.
symptoms of deficiency of vitamin d and where do we get it
rickets, bones get soft and can be bent
we can get them in liver
symptoms of deficiency of iron and where do we get it
anaemia- oxygen transportation cannot be done efficiently
we can get them in red meat
symptoms of deficiency of calcium and where do we get it
weak bones and teeth
we can get them in milk and cheese
how to calculate how much energy do the food contain
record the initial temperature of the water in the test tube then burn the food under the test tube. get the final temperature of the water. then minus the final one to the initial one..
the need of energy for the person is depends on _____,______, and ________
age, sex and occupation
how do fibres help us
add bulk to the faeces that it can pass through gut more easily
disease caused by protein deficiency
kwashiorkor - loss of muscle mass and swollen belly
marasmus - stunted growth and weight lose