The alimentary canal is a tube with an opening at each end and specialized regions. Match the structures of the alimentary canal to their general functions. Secrete Churn up food Absorb nutrients from the lumen enzymes Moves food along the canal Mechanically break up food Secrete hormones Epithelial cells lining the lumen Smooth muscles
Essential nutrients
These are the organic compounds present in the food that provide nourishment essential for the development and growth of our body. Nutrients not only provide us with the required energy to carry out various biological processes but are also the building blocks for repair and growth in our bodies.
Vitamins
The vitamins are organic molecules required in low concentration for the proper functioning of the body. They cannot be generated in the organism and are taken into the body through the diet. The lack of proper vitamins results in diverse deficiency disorders. They are thus called essential nutrients. The important vitamins are vitamin A, vitamin B complex, vitamin C, vitamin D, vitamin K, and vitamin E.
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