it is simple example are jewelling throw and any throwing sports we use projectile motion

1. Social development 2. Mental development 3. Physical development

Skill : A skill is the ability to perform a whole movement. Skill can be defined as automatisation of motor action.

Technique: It is an basic movement of any sports or event. We can say that a technique is the way of performing skill.

The term ‘yoga’ is derived from a Sanskrit word ‘Yuj’ which means join or union. In fact, joining the individual self with the divine or universal spirit is called yoga.

Patanjali: ‘Checking the impulses of mind is Yoga.’

Mahrishi Ved Vyas: ‘Yoga is attaining trance.’

Bulimia or bulimia nervosa is an illness in which a person has a very great fear of becoming fat, and so they make themselves vomit after eating.

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Process of League Tournament : League tournament is also called "round tournament". Mr. Burger was the first person, who imagined about the league tournament and owing to that, it is also called "burger system". According to this tournament, each team plays with every other team once if it is a single league tournament. If it is a double league tournament, each team plays with every other team twice. In these types of tournaments, every team plays with every other team irrespective of victory or defeat. It can be called the best type of tournament because it provides the maximum number of opportunities to show the best performance. In fact, there is no element of chance and the real winner is picked up easily at the end. Types of league tournament: there are two types of league tournaments, which are mentioned below:- 1. Single league tournament:- in single league tournament, every team plays with every other team once and the number of matches is determined with the help of following formula : N(N-1) divided by 2 Here "N" means the number of teams taking part in a tournament. For example, if 7 teams are taking part in a tournament, the number of total matches will be as given below: 7(7-1) = 7(6) = 42 = 21 matches. 2. Double league tournament : in double league tournament every team plays with each other team twice. The number of matches is determined with the help of following formula: N(N-1) In 9 teams are taking part in a double league tournament, the total number of matches will be as given below: N(N-1) = 9(9-1) = 9(8) = 72 matches. Maybe, Types of League Tournament are not mandatory, But I'm giving them to you to understand the concept Completely....... Hopes, It'll help You.........

Developmental characteristics during infancy: A new life comes into existence, this period extends upto the time when the child is two years old. The boys and girls do not differ in growth during infancy.
• During first year the increase in weight is proportionately greater than the increase in height. The proportion between various parts of the body are very odd. The general movements of infants are highly un-co¬ordinated because of immature condition of its nervous system. Much of child’s activity is of reflex type. The general response of the child are visual fixation on light, spontaneous eye movement, lip movement, knee jerk, shedding tears, sucking of fingers, frowning, sucking. Bones elongate more in first year.
• With the development of bones, muscles and nervous system, the child shows a co¬ordinated pattern of movement. Now, the child has learnt rolling, creeping, crawling, sitting, standing with aid or himself. Some may learn to run early than others. The child has learnt now how to walk and run. Before he is two years he can open boxes, insert pag, build tower with blocks, can jump, skip and bounce.
• In 2nd year he becomes more organized.
• During the next three years, the growth is even but has slowed down considerably in comparison to first two years. The bones now get harder. Now he needs no help. Physical activity comprises bouncing, going up the stairs, galloping, possessive and do not tolerate anybody interference upon his activities especially toys.

->The use of certain stimulants can cause serious cardiovascular and psychological problems, as well as other side effects, such as dependence and addiction, increased and irregular heart rate, dehydration, overheating of the body, and dry mouth, etc. :-Akarshit Pandotra (BPEd.,MPEd.)

Ergogenic aids are the external influences that can be determined to enhance performance in sports. These includes mechanical aids, pharmacological aids, physiological aids, nutritional aids and psychological aids.
(i) Mechanical aids : It includes altitude training, Aqua training, uphill and downhill running, treadmills, weight training, clothing, Footwear, equipments etc. These are valid Ergogemic aids.
(ii) Pharmacological aids : It includes anabolic steroid, Beta Blocker, Caffeine, protein supplements, Sodium bicarbonate. These are banned by IOC in sports.
(iii) Physiological aids : It is like Acupuncture, Blood doping, creatine, Herbal medicines, Human Growth harmones, physiotherapy, sports massage, sauna etc. Many of these are banned by IOC in sports.
(iv) Nutritional aids : They are like Bicarbonate of soda, caffeine, creative, sports drinks. Many of these are banned by IOC in sports.
(v) Psychological Aids : These includes meditation, mootivation, cheering, Relaxation. Most of these are valid and applicable in sports.

Anatomy is the study of the ststructure of human body. The term anatomy comes from Greek words : 'ANA' means apart and 'TOMY' means to cut.

A test is tool which is used to evaluate the skill, knowledge, capacity, or aptitudes of am individual or a group. Measurement is the collection of data about performance or task completed by a sports person by using a test. Hope this will help you