A lack of vitamins in the diet leads to deficiency
symptoms, such as scurvy, rickets, or night blindness.
Vitamin C helps to keep connective tissue
healthy, and it is needed to help heal wounds.
Vitamin D is needed to maintain
healthy bones and teeth.
Vitamin A is needed to maintain
good vision, healthy skin and strong
immunity against infection.
Protein
Growth and repair of cells.
Protein synthesis happens in the ribosomes.
Fats
Source of energy, and they provide
insulation and storage.
Broken down by lipase.
Minerals
A lack of the correct mineral ions in the
diet also leads to deficiency symptoms.
Iron is needed o produce haemoglobin, found in
red blood cells. Iron deficiency causes anaemia.
Calcium is needed to maintain healthy
bones and teeth, for normal blood clotting
and to control muscle contractions.
Fibre
Soluble fibre can reduce cholesterol,
and it can prevent constipation.
Insoluble fibre helps other foods move through your
digestive system more easily. It also keeps your bowels
healthy and helps prevent digestive problems.
Water
The 2/3 of the body is made of water, and it is
found in cytoplasm. It is used to produce
sweat (homeostasis) and it is found in blood.