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Circulatory System

Agricultural Science


DIGESTIVE SYSTEM Digestive system and digestion Digestion in ruminant (polygastric) animals Digestion in non-ruminant (monogastric) animals Digestion in poultry birds Differences between monogastric and polygastric animals.   DIGESTIVE SYSTEM AND DIGESTION The digestive system of farm animals includes all the organs and tissues associated with the breaking down or digestion of food in the body. It includes the teeth or beak, tongue, the alimentary canal or digestive tract and all the associated gland secreting enzymes and other body fluids.   Digestion is the breakdown of foods substances in the digestive tract into absorbable forms. This process starts from the mouth through mastication which increases the surface area and allows microbes to have quicker access to act the food substances. Farm animals are grouped into two main classes based on the nature of the alimentary canal or digestive tract. There are polygastric (ruminant) animals and monogastric (non – ruminant) animals.  … Read More »ANATOMY AND PHYSIOLOGY OF FARM ANIMALS

Basic Science


Blood Components and Functions Blood is a liquid connective tissue, which is maintained in constant circulation round the body. In certain organisms, blood flows within a closed system of inter connecting vessels while the reverse holds in other organisms. The human blood is of PH 7.4 and comprises four components: Plasma [liquid part of blood] Red Blood cells [Erythrocytes] White Blood Cells [Leucocytes] Blood platelets [Thrombocytes]   PLASMA This is the liquid part of blood, which makes up about 55% volume of blood. The plasma itself is made of about 90% water, proteins and mineral salts. It takes digested food from the small intestine to places where needed and also takes waste product to the excretory organs for removal. RED BLOOD CELLS: These are the most numerous cells in the blood. They account for the redness of blood. Each red cell contains HEAMOLOGIN, a respiratory pigment which enables Red Blood… Read More »THE CIRCULATORY SYSTEM

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