Skip to main content

HUMAN BODY-EYE

AN   EYE  WORKS  LIKE  A  CAMERA  THAT  TAKES   PICTURES   OF  THE  WORLD  AROUND  US.without   them  ,it   would   become  very  difficult   for  us  ,to  do    even  a  small  task.
When  we   look  an  object  ,light   rays   enter    the   eye   through  the  pupil.A   colored    part   in  an  eye   ,called   Iris  ,controlled   the  amount  of   light  entering  the  into  the  eyes.When  the  light  falls  on  a  curved    transparent   lens   of  the  eye ,it  bend  the  light   so  that  a  clear  picture  is  formed  at  the  back  of  the  eye   on  the  area  called  retina .As   our  vision  changes  ,our  brain   makes  a   series  of  pictures,hundreds  of  times  a  second  .The  nerves  in  brain   make  sense  of  pictures-like change  in  colour,finding  edges  ,recognizing  shades   and   recognizing  shapes   of   the  objects.There   are   three  types  of   colour  sensitive  cells   in our  eyes    that  recognize   red,blue,and  green.All   other  colors   are  formed   with the   combination  of  these  colours.
FACTS-
  • The  average  person   blinks  about  12  times  a  minute.
  • An    eagle  can  see   a   rabbit  1  mile    away.
  • HUMAN EYE
  • People   who    are  colour  blind   can not  see  things  in  as  many  colors   as  people  who  have  normal   vision,and  they  can not  see certain  colors    like  red,  green   and  some   blues.
  •  

Comments

Popular posts from this blog

KEY BOARD SHORT CUTS

While   surfing  the Web,  these commands  could  help  you  and  are absolutely worth learning. By making repetitive motions faster, web surfing becomes so easy  and    pleasant! The following shortcuts can  be   work with desktop versions of Chrome, Firefox, and IE. CTRL-T to launch a new browser tab page. Tabbed pages are very useful: they let you open multiple web pages simultaneously without the same memory load as a full browser window.  Simply press CTRL-T to launch a new tab. Related: use CTRL-Page Up and CTRL-Page Down to navigate between the tabs.  CTRL-Enter to type 'www.' and '.com' Once you ...

THE BEATLES -ENGLISH ROCK BAND

The Beatles were an English rock band formed in Liverpool in 1960. The group, whose best-known lineup comprised John Lennon, Paul McCartney, George Harrison and Ringo Starr, are regarded as the most influential band of all time.   The Beatles    were  from    Liverpool, United Kingdom.   In September of 1962 The Beatles recorded their first hit Love Me Do, which charted in UK, and reached the top of the US singles chart. London became their new home since 1963. ... Their October 1963 performance at the London Palladium made them famous in Great Britain and initiated the Beatlemania in the UK.   The most popular Beatle.   Paul McCartney ranked highest, at 35 percent; following by John Lennon (29%), Ringo Starr (11%), and George Harrison (8%). However, there is a gender gap: men favored John, while women preferred Paul.   The Beatles' first record "Love Me Do" was released on October 5, 1962. It was a mode...

iOS -iPHONE

  Apple's mobile operating system — iOS — runs the iPhone, iPad, and iPod Touch devices. Originally known as the iPhone OS, the name was changed with the introduction of the iPad. It uses a multi-touch interface in which simple gestures operate the device, such as swiping your finger across the screen to move to the next page or pinching your fingers to zoom out. There are more than 2 million iOS apps available for download in the Apple App Store, the most popular app store of any mobile device.  It uses a multi-touch interface in which simple gestures operate the device, such as swiping your finger across the screen to move to the next page or pinching your fingers to zoom out. There are more than 2 million iOS apps available for download in the Apple App Store, the most popular app store of any mobile device. What Is an Operating System? In the simplest terms, an operating system is what lies between you and the physical ...