Ans. Food is pushed down by movement of the wall of the food pipe.
Ans. Ruminants have a large sac-like structure called rumen.
Ans. Amoeba use pseudopodia (false feet) to move.
Ans. Villi
Ans. Anus
Ans. The second set that replaces a temporary milk teeth are the permanent teeth.
Ans. Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.
Ans. Animal nutrition includes nutrient requirement, mode of intake of food and its utilisation in the body.
Ans. Scraping, chewing, brewing, capturing and swallowing, sucking etc. are the different mode of feeding in animals.
Ans. The breakdown of complex components of food into simpler substances is called digestion.
Ans. Glands associated such as salivary glands, the liver and the pancreas secrete digestive juices.
Ans. Sometime we may have experienced the need to pass watery stool frequently. This condition is known as diarrhoea.
Ans. Boiled and cooled water with a pinch of salt and sugar dissolved in it is called Oral Rehydration Solution (ORS).
Ans. Bile is produced in liver. The bile plays an important role in the digestion of fats.
Ans. The pancreas is a large cream colored gland located just below the stomach.
Ans. Amoeba captures its food with the help of finger-like projections, called pseudopodia or false feet.
Ans. The pancreatic juice acts on carbohydrates, fats and proteins and changes them into simpler forms.
Ans. The digested food passes into the blood vessels in the wall of the intestine. This process is called absorption.
Ans. A process in which partially digested food returns to the mouth in small lumps and the animal chews it is called rumination.
Ans. Cud is partly digested food returned from stomach (called rumen) of ruminants to the mouth for further chewing.
Ans. The first set of teeth grows during infancy and they fall off at the age between six to eight years. These are termed milk teeth.
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