Alimentary Canal
Alimentary Canal
Alimentary Canal:
In human beings, the digestive system constitutes a long tubular structure called the alimentary canal which is about 7 - 8 metres long. It extends from the mouth to the anus. The complete process of ingestion, digestion, absorption, assimilation and egestion of food material is done within the alimentary canal itself. The alimentary canal can be divided into various components. Starting from mouth to anus, different parts of the canal can be written as :
1. Mouth : It is the starting point of our digestive tract. Food is ingested through mouth. About 30 % of carbohydrates get digested in the mouth. The mouth is filled with watery substance named as saliva. Saliva is consists of mucus, water and enzymes etc.
2. Oral Cavity : The oral cavity is consists of palate, tongue and teeth. Palate is the roof of the oral cavity. Tongue is the muscular and gladular structure attached to the base of the oral cavity.
3. Teeth are used for the mechanical churning of food. A tooth is white enamel below which dentine is present. Human are diphyodont i.e. they have two sets of teeth - milk or deciduous and permanent teeth. These are of four types incisors. canines, premolars and molars. In Humans, teeth are embedded in the sockets called as gums.
4. Pharynx : It is the common passage for food and air. Epiglottis prevents the entry of food into the windpipe.
5. Oesophagus : It is the muscular tube through which small bolus of food passes from the mouth to the stomach. The Gastro oesophageal sphinchter controls the movement of food into the stomach.
6. Stomach : It is a muscular bag, positioned at the upper left part of the abdominal cavity. It has four parts : cardiac,fundus, body and pyloric portion.
7. Small intestine : It is the longest part of the alimentary canal and comprises three parts - Duodenum, Jejunum and Ileum. It is the main site of digestion of food material.
8. Large Intestine :The small intestine leads into the large intestine. Rectum is the end point of large intestine.
9. Anus : It is the end point of alimentary canal. The undigested food get excreted out of the body through anus.
The longest part of the alimentary canal is ____________________ | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following are correct ? (a) Mouth is the starting point of our digestive tract. Food is ingested through mouth. About 30 % of carbohydrates get digested in the mouth. (b) Small intestine is the longest part of the alimentary canal and comprises three parts - Duodenum, Jejunum and Ileum. (c) Large intestine The small intestine leads into the large intestine. Rectum is the Ned point of large intestine.. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following is part of alimentary canal? | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
It was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
Aman Kumar Shrivastava
10thWe started with lot of hope that Abhyas will help in better understnding of complex topics of highers classes. we are not disappointed with the progress our child has made after attending Abhyas. Though need to mention that we expected a lot more. On a scale of 1-10, we would give may be 7.
Manya
8thThird consective year,my ward is in Abhyas with nice experience of admin and transport support.Educational standard of the institute recumbent at satisfactory level. One thing would live to bring in notice that last year study books was distributed after half of the session was over,though study ...
Ayan Ghosh
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thThe experience was nice. I studied here for three years and saw a tremendous change in myself. I started liking subjects like English and SST which earlier I ran from. Extra knowledge gave me confidence to overcome competitive exams. One of the best institutes for secondary education.
Aman Kumar Shrivastava
10thMy experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thMy experience with Abhyas Academy has been very good. When I was not in Abhyas whenever teacher ask questions I could not speak it confidently but when I came in Abhyas, my speaking skills developed and now I am the first one to give the answer of teachers question.
Upmanyu Sharma
7thUsually we see institutes offering objective based learning which usually causes a lag behind in subjective examinations which is the pattern followed by schools. I think it is really a work of planning to make us students grab the advantages of modes of examination, Objective Subjective and Onli...
Anika Saxena
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thMy experience with Abhyas academy is very nice or it can be said wonderful. I have been studying here from seven class. I have been completing my journey of three years. I am tinking that I should join Abhyas Academy in tenth class as I am seeing much improvement in Maths and English
Hridey Preet
9thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
Yatharthi Sharma
10thWhen I have not joined Abhyas Academy, my skills of solving maths problems were not clear. But, after joining it, my skills have been developed and my concepts of science and SST are very well. I also came to know about other subjects such as vedic maths and reasoning.
Sharandeep Singh
7thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
Shreya Shrivastava
8thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
Barkha Arora
10thAbhyas academy is great place to learn. I have learnt a lot here they have finished my fear of not answering.It has created a habit of self studying in me.The teachers here are very supportive and helpful. Earlier my maths and science was good but now it has been much better than before.
