Page 52 - ACTIVE SCIENCE 4 TOC
P. 52

Posture

            Body posture plays an important role in keeping us fit.
            Every person has a different posture while sitting, walking,

            standing, etc. Correct posture helps us in many ways:

                 1.  Gives us a good appearance.

                 2.  We do not get tired quickly.

                 3.  Our muscles and joints can be used properly.


                 4.  We don’t feel pain, especially in the back and neck.


            Exercise
            Exercise is very important for human body. It keeps us healthy and fit. There are

            different types of exercises like cycling, playing, running, walking and yoga which
            help us in many ways. Regular exercise helps in:


                 1.  Proper sleep

                 2.  Maintaining body weight

                 3.  Energising the body

                 4.  Providing relief from tiredness.




            Let’s Recapitulate

                A. Define.

                     1.  Food preservation                            2. Balanced diet
                     3.  Nutrients


                B. State whether the following statements are true or false:
                    1.  Fats are body-building food.                                                      ______

                    2.  Proteins are energy-giving food.                                                  ______
                     3.  Breathing leads to water loss in the body.                                       ______

                     4.  Jellying is one of the methods to preserve food.                                 ______
                     5.  Exercise is not important to stay fit.                                           ______




              Let’s Pronounce Together


              carbohydrates           minerals                proteins               exercise
              preservation            nutrients               vitamins

                                                                                                                    59
                                                                                             Active Science-4
   47   48   49   50   51   52   53   54   55   56   57