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Posted by Parminder Pal Singh 5 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
The human digestive system consists of the alimentary canal and its associated glands. Food is taken into the body through the mouth.
Digestion in human beings starts in the mouth. The mouth contains teeth, tongue and salivary glands. The teeth cut the food into small pieces, chew and grind it. The tongue mixes the food with saliva. The salivary glands secrete a watery liquid called saliva.
The slightly digested food goes into the food pipe or oesophagus by peristalsis. No digestion of food takes place in the oesophagus.
The slightly digested food reaches the stomach through oesophagus for further digestion where it is broken down into smaller pieces. The inner lining of the stomach secretes gastric juice which includes mucus, hydrochloric acid and digestive juices. Mucus protects the lining of the stomach from hydrochloric acid. Hydrochloric acid makes the medium in the stomach acidic to facilitate the digestion of proteins. The digestive juices break down the protein into simpler substances. Then the partially digested food goes into the small intestine.
The small intestine is a very long and narrow tube where complete digestion of food takes place. It receives secretions of liver, pancreas and its own walls. Liver secretes liquid called bile which helps in the digestion of fats and converts them into small droplets. Pancreas secretes pancreatic juice which breaks down fats into fatty acids and glycerol. Pancreatic juice also breaks down carbohydrates and proteins into simpler forms. The intestinal juice secreted by the walls of small intestine breaks down the carbohydrates into glucose, proteins into amino acids. Thus, the food gets completely digested in small intestine.
Posted by Parminder Pal Singh 5 years, 5 months ago
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Meghna Thapar 5 years, 4 months ago
Resemblance, similarity imply that there is a likeness between two or more people or things. Resemblance indicates primarily a likeness in appearance, either a striking one or one which merely serves as a reminder to the beholder: The boy has a strong resemblance to his father. Children inherit pairs of genes from their parents. A child gets one set of genes from the father and one set from the mother. These genes can match up in many ways to make different combinations. This is why many family members look a lot alike and others don't look like each other at all.
Posted by Chingmrau Mog 5 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
Families are a group of related people, generally who live together. In almost every human society, the family is the most basic unit of social organization and is based around the traditional role of raising children. Children inherit pairs of genes from their parents. A child gets one set of genes from the father and one set from the mother. These genes can match up in many ways to make different combinations. This is why many family members look a lot alike and others don't look like each other at all.
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Meghna Thapar 5 years, 5 months ago
Choose firm tomatoes, preferably ('Campbell' variety, for example), wash and dry them carefully, and put them in glass jars. Pour in the cooled brine, up to one and a quarter inches below the rim, and fill in the remaining space with olive oil to cover. Close the jars airtight and store them in a cool place. If you prefer to freeze peeled tomatoes, you can wash the tomatoes and then dip them in boiling water for about 1 minute or until the skins split. Place the tomatoes on cookie sheets and freeze. Once frozen, transfer the tomatoes from the cookie sheets into freezer bags or other containers. Seal tightly.
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Earthquakes usually occur on the edges of large sections of the Earth's crust called tectonic plates. These plates slowly move over a long period of time. Sometimes the edges, which are called fault lines, can get stuck, but the plates keep moving. Pressure slowly starts to build up where the edges are stuck and, once the pressure gets strong enough, the plates will suddenly move causing an earthquake.
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Meghna Thapar 5 years, 4 months ago
Floral scent or flower scent is composed of all the volatile organic compounds (VOCs), or aroma compounds, emitted by floral tissue (e.g. flower petals). Floral scent is also referred to as aroma, fragrance, floral odour or perfume. Scent of flowers, scents of places, smells that indicate danger are the most common. Such scents might be a message from deceased loved ones who want to guide us from the other side or who have certain unsettled business and cannot pass into the afterlife.
Posted by Radha Madhavan 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
My name is ABC. I am twelve years old. I live in Himachal village. I am 1.20 metres tall. I have fair skin, black hair and dark eyes. I have sharp nose and white sparkling teeth. I never speak loudly. I like reading story books. I don’t eat non-vegetarian.
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Meghna Thapar 5 years, 5 months ago
All muscle cells share several properties: contractility, excitability, extensibility, and elasticity: Contractility is the ability of muscle cells to forcefully shorten. There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary. Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command.
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Parminder Pal Singh 5 years, 5 months ago
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