A fish is any aquatic vertebrate animal that is covered with scales and equipped with two sets of paired fins and several unpaired fins
Fish plays a significant role as part of a balanced healthy diet. Fish is a good source of many of the nutrients we need throughout life from infancy through to old age.
MAIN COMPONENTS OF FISH
The body tissues incude skin, flesh and bone.
Skin consist of mainly of water ,about 80%,and about 16% protein.
Bone contains much mineral matter, principally calcium phospahe, which amounts to about 14% of total bone material, the rest is mainly water,about75%,and protein ,about 9%.