Page 11 - Jan-Mar 2019
P. 11

VOL. 16 No. 1
      What’s Your Poison?                                                                     WHY AM i nOt

                                                                                               VenOMOuS?
      Venom injected through snake bite affects the body and either                       How is snake venom
      paralyses or kills the prey, depending on the toxicity, amount                      different  from   human
      of venom and the kind of prey.                                                      saliva? Research and find
                                                                                          details of the composition
      VenOM POWer                                                                         of both.
      Snake venom is a complex mixture of
      toxins, proteins and enzymes which                      tHe Big Bite
      is produced by a pair of modified
      salivary glands, in the ‘cheeks’ of the                 The amount of
      head of a venomous snake. Venoms                        venom injected by
      vary in strength and toxicity.  There                   a snake determines
      are majorly three types of venom –                      the severity of a bite.
      •  Hematoxic - It affects the blood    Illustration by: A. S   The most important thing
         and destroys tissues.             Linghadharinee, VIII B,   to remember for a snake
                                        Angappa Educational Trust   bite is that it has only one
      •  Neurotoxic - It attacks the     Senior Secondary School,   treatment – anti-venom
         nervous system and paralyses             Coimbatore  medications available at     Illustration by: Divyanshi Singh, VII E,
         the victim and shuts down vital functions.           hospitals and clinics.           Suditi Global Academy, Etawah
      •  Myotoxic - It affects muscle function and can cause   S. Sarausma, VII, Sri Seshaas International Public School, Salem
         kidney damage.
      The cobra’s bite is deadly but some species of cobra also   nOn-POiSOnOuS                  POiSOnOuS
      spit or spray venom at their victims.                                         BODy
                                                                             ROuND   WIDTH
      Khushi sharma, iX C, Dundlod Vidyapeeth, Jhunjhunu; C.V.   NOSTRIL     HEAD  EquAL TO           TRIANGuLAR
      Madhangeashwar, Vii lotus, Cauvery Public school, Karaikal                    HEAD  NOSTRIL       HEAD

      Non-Threatening
      Venom is actually a powerful                                                        LARGE
      digestive enzyme, which                                   SMALL                    HOLLOW
      is useful  as  snakes don’t                               TEETH                     FANGS
                                                                                                        BODy
      have chewing or tearing teeth. Out of   Illustration by: Divyanshi                              NARROWER
      these not all are dangerous because –  Singh, VII E, Suditi Global                              THAN HEAD
      •  Either their venom is too mild or     Academy, Etawah
          injected in very small quantities.
      •  Their mouths are too small to bite humans.              SCALES ON uNDERSIDE OF TAIL
                                                                  NORMALLy IN A DOuBLE ROW
      •  Their jaws are too weak to break human skin.
      •  Their teeth are placed too far back in the mouth to                                 SCALES ON uNDERSIDE OF TAIL
                                                                                              NORMALLy IN A SINGLE ROW
          bite humans.                                                  Illustration by: Sanjay G.P, VI B, Sri Sankara Sr. Sec. School, Chennai


                                                 FigHting tHe FAngS
                               DO’s                                               DON’T’s
            Learn to identify the common four venomous snakes in   Don’t place your hands and feet at places you can’t see or
            India.                                                 walk barefoot in the dark.
            Use a torch while stepping out in the dark.            Don’t bother or try to kill/hit a snake.
            If bitten, try and remember the colour and shape of the   Don’t panic if bitten. Not all venomous bites are fatal.
            snake.
            Cover the bitten area with a clean and dry dressing.   Don’t attempt to suck the venom out of the bite.
            Locate the nearest source of antivenin.                Don’t try to treat the bites with magic and spells.
      anjali sharma, iX a, happy hours school, Jodhpur


      1    2     3     4     5    6     7     8     9   10    11    12    13   14    15    16   17    18    19   20
   6   7   8   9   10   11   12   13   14   15   16