Mammalian blood is composed of a liquid part called plasma and solid part includes corpuscles. Blood corpuscles are R.B.C. (Red blood corpuscles), W.B.C. (White Blood Corpuscles) and Blood Platelets.
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The respiratory passage in mammals includes external mares, nasal chamber, respiratory chamber, nasopharynx, larynx, trachea, bronchi and two lungs. Inside the lungs the bronchus capillaries ending in alveoli.
Teeth of mammal are heterodont i.e., they are not alike or similar. Secondly teeth are lodged in suckets or alveoli. Thirdly teeth are of to types i.e. deciduous or milk teeth and successional or permanent teeth. Teeth are present in edges of jaw, while the vomerine teeth are absent. Teeth are four types like;
Respiration takes place only through the lungs in mammal. Lungs are situated in the pleural cavities found in the thorax. The respiratory channel is separated from the food channel by the presence of palate. The respiratory system of rabbit comprises nasal chambers, larynx, trachea, bronchi and lungs.
The kidneys are main excretory organ in rabbit. They are metanephric, bean-shaped and dark red in color, situated on the dorsal wall of the anterior end of the abdominal cavity outside the coelom.
Heart of mammal is conical in structure, present in between two lungs inside the thoracic cavity. It is covered by an outer love covering called pericardium. The broad end of heart is called the base and the conical end is called the apex on heart. Mammalian heart is four chambered, having two auricles and two ventricles.
The digestive system of rabbit also consists of alimentary canal and associated digestive glands. The alimentary canal is much long and coiled which is in relation to herbivorous habit. Because vegetable food is usually more complex man the animal matter and needs a more complex treatment in the alimentary canal.
The component of the normal diet includes carbohydrates, lipids, proteins, vitamins, minerals and water. Out of these constituents water, vitamins, minerals, free monosacharides and free amino acids can be absorbed interest of body absent such.
Digestion is a hydrolytic process in which complex food materials are mechanically and enzymatically broken down into simpler soluble forms. Proteins are polymers of amino acid residues which are joined end to end by peptide bonds. Proteolytic enzymes break down the peptide bonds.