Coelom is a fluid filled space between the body wall and gut wall and lined by mesoderm on all of its sides. The presence or absence of body cavity or coelom plays a very important role in the classification of animals. Animals that possess a fluid filled cavity between body wall and digestive tract are known as coelomates. Annelids, mollusks, arthropods, echinodermates, and chordates are examples of coelomates. On the other hand, the animals in which the body cavity is not lined by mesoderm are known as pseudocoelomates.

Literal meaning

Physical = related to body
education = knowledge

Thus,

Physical Education is knowledge about the body. In this subject, we read about various activities which are necessary for development and growth of the body.

There are so many definitions about Physical education given by various experts.

According to Oberteuffer, <i>Physical Education is the sum of those experiences which comes to individual through movements.</i>

According to J.B.Nash, <i>Physical Education is that phase of the whole field of the education that deals with big muscle activities and their related responses.</i>

According to H.C. Buck, <i>Physical education is the part of general education programme, which is considered wit growth, development and education of children through the medium of big muscle activities. Physical activities are the tools. They are so selected and conducted as to influence every child's life physically, mentally, emotionally and morally.</i>
 

Seismology is the study of earthquakes.

Seismology is the study of earthquakes and seismic waves that move through and around the earth. A seismologist is a scientist who studies earthquakes and seismic waves. ... Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion.

Albert Einstein's theory of education is based on reasoning and logic. He believed that education is not about learning facts but thinking about ideas. Education according to him is not something to mug up like remembering the year of battle or any event but the reason why it all started.

भारत मेलों का देश है यहां पर हर रोज कहीं ना कहीं मेला लगा ही रहता है. मुझे मेले में जाना बहुत अधिक पसंद है हमारे गांव में हर साल दशहरा के दिन मेला भरता है. मेला दशहरा के दिन सुबह लगता है और रात 10:00 बजे तक मेले में चहल पहल रहती है.

दशहरा के दिन हमारे विद्यालय की छुट्टी होने के कारण हम पूरे दिन मेले में ही रहते है. मेले वाले दिन हम सुबह-सुबह नए कपड़े पहन कर तैयार हो जाते हैं फिर मैं अपने दोस्तों के पास जाता हूं फिर हम सब मिलकर मेले में जाते है. मेले में जाने के बाद हम खूब मस्ती करते हैं झूला झूलते हैं समोसे, कचोरी, गोलगप्पे खाते है.

मेले में कई प्रकार के कार्यक्रम होते है. उन सभी कार्यक्रमों को हम बड़े चाव से देखते है. मेले में कई जादूगर आते हैं जो कि जादू दिखाते है. पूरा मेला देखने के बाद हम शाम को घर लौट आते है.

लेखक बताता है कि स्पीति में वर्षा बहुत कम होती है। इस कारण वर्षा ऋतु मन की साध पूरी नहीं करती। वर्षा के बिना यहाँ की धरती सूखी, ठंडी व बंजर होती है। जब कभी यहाँ वर्षा हो जाती है तो लोग इसे अपना सुखद सौभाग्य मानते हैं। वर्षा के दिन को वे सुख का संकेत मानते हैं। लेखक के आने के बाद यहाँ वर्षा हुई। लोगों ने उसे बताया कि वर्षा होने के कारण आपकी यात्रा सुखद होगी।

Morphology is the branch of biological science that deals with the study of form, size, colour, structure and relative position of various parts of organisms.

Importance of morphology-

1. Knowledge of morphology is essential for recognition or identification of plants.
2. It gives information about the range of variations found in species.
3. Deficiency and toxicity symptoms are morphological changes that occur in response to shortage or excess of minerals.

According to Keats, suffering and pain caused by man’s malice and his evil ways spreads the pall of despondence over our dark spirits. Man lacks noble qualities and his hostile and inhuman nature makes the world gloomy. This can be removed by some shape of beauty that is a source of constant joy.

The poet regards childhood as an important stage in the process of growing up. Childhood is a period of make-believe. Children readily accept whatever the elders say. The poet does not feel any regret or sense of loss on losing his childhood

According to the poem, the process of growing up involves the attainment of mental maturity and loss of innocence and simplicity. A person is said to be grown up when he has become logical, rational and is able to build his own thoughts. A grown up has the power to distinguish between reality and fantasy.
A grown up individual understands the actions of others just as the poet recognises the hiatus between the preaching and the practice of the adults. He realises the hypocrisy and the double standards maintained by the adults. A mature individual also asserts his thoughts and opinions.

A schedule showing the items of difference between the bank statement and the bank column of Cash Book is known as Bank Reconciliation Statement.

Shyama is the narrator of the story, "Ranga's Marriage". He is an old and experienced man, who has more faith in traditional beliefs than Ranga's modern notions. He manipulates Ranga in such a manner that he ends up marrying Ratna, an eleven year old girl, in spite of his notions about marriage . However, the manipulation is done in such a manner that Ranga marries Ratna out of his own free will. Nevertheless, Shyama should not be thought of as a meddlesome fellow. His actions are for the best of both Ranga and Ratna. In his heart he has only love for both of them. Shyama is also an intelligent man, who has great knowledge of human nature and is almost a psychiatrist in his own right. 

Some cells in the adult animals do not appear to exhibit division (e.g., heart cells) and many other cells divide only occasionally. These cells that do not divide further exist G 1 ​ phase to enter an inactive stage called quiescent stage (G 0) of the cell cycle. Cells in this stage remain metabolically active but no longer proliferate unless called on to do so depending on the requirement of the organism.

Physical education is a course taught in school that focuses on developing physical fitness and the ability to perform and enjoy day-to-day physical activities with ease.

Aim of physical education, like general education, is to develop human personality in its totality well planned activity programs. 

Objectives of Physical Education - Objectives are steps considered towards the attainment of the aim. They are the particular and precise means employed to realize an aim. 

Ultimately, Aram and Mourad returned the horse to its rightful owner, John Byro. It gives birth to two questions. Were they conscience-stricken or afraid? The answer is very simple. They were conscience-stricken. Both of them belonged to the Garoghlanian family. The family had earned name and fame for integrity and honesty. No member of the tribe could ever be accused of dishonesty or any shady deal. Aram and Mourad dared not break that glorious tradition. They had to maintain the good name and honesty of Garoghlanians. Hence, they overcame their childish passions and pranks. They decided to return the horse to Byro. Yes, they feared too. They feared to be considered as thieves. They feared lest they should put their tribe to shame by their action.

No doubt, there came moments when both Aram and Mourad justified the stealing of the horse. Stealing a horse for riding and fun was not the same as stealing and selling it for money. Hence, Mourad stole the horse and hid it in the barn. Pangs of conscience pricked them. Hence, they decided to return the horse to its rightful owner.