Windpipe and Lungs
Windpipe and Lungs
Wind Pipe: The trachea is a wide, hollow tube that connects the larynx (voice box) to the bronchi of the lungs, allowing the passage of air to the lungs.
The trachea extends from the larynx and branch into two primary bronchi. The bronchi than divides into smaller and smaller branches(branchioles).
The bronchioles enter the lungs and divide further into fine branches called alveolar ducts. This opens into extremely thin walled, grape shaped air sacs, where the exchange of gases takes place called alveoli. Each alveoli is covered by a web of blood capillaries which helps in exchange of gases between lungs and the body parts.
Lungs: The lungs are the primary organs of the respiratory system in humans. The lungs are a pair of spongy, air filled organs located on the either side of the chest (thorax). Human have two lungs, a right lung and a left lung. They are situated with in the thoracic cavity of the chest. The right lung is bigger than the left, which share space in the chest with the heart. The lungs are present in the cavity called as plueral cavity and covered with double plueral membrane. The right lung consist of three chambers whereas left lung is consist of two chambers. Thoracic muscles help in the expension and relaxation of lungs during the process of breathing.
Lungs are present in chest cavity . this cavity is surrounded by ribs on the sides. A large muscular sheet called diaphragm form the floor of the chest cavity. Percentage of oxygen in inhaled air is ___________in exhaled air. | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) The lungs are the secondary organs of the respiratory system in humans. (b) The lungs are a pair of spongy, air filled organs located on the either side of the chest (c) The right lung is bigger than the left, which share space in the chest with the heart. The lungs are present in the cavity called as plural cavity . | |||
| Right Option : B | |||
| View Explanation | |||
Which of the following are correct ? (a) The trachea is a wide, hollow tube that connects the larynx (voice box) to the bronchi of the lungs, allowing the passage of air to the lungs. (b)The trachea extends from the larynx and branch into two primary bronchi. The bronchi than divides into smaller and smaller branches(branchioles). (c) The bronchioles enter the lungs and divide further into fine branches called alveolar ducts. | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [20]
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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
9thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thIt 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
10thThird 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
8thWhen 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
7thMy 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
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Om Umang
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10thThe 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
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Yogansh Nyasi
7thIt 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
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Cheshta
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Ayan Ghosh
8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thAbhyas 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
8thAbhyas is good institution and a innovative institute also. It is a good platform of beginners.Due to Abhyas,he has got knoweledge about reasoning and confidence.My son has improved his vocabulary because of Abhyas.Teacher have very friendly atmosphere also.
Manish Kumar
10thUsually 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
8thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
Aman Kumar Shrivastava
10thA 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.
