Is it true there is a toxic fluid by the name of arsenic in apple seeds? What would happen if you ate a plentiful

Question: Is it true there is a toxic fluid by the name of arsenic in apple seeds? What would happen if you ate a plentiful amount of apple seeds??? Thanks!
- Keywords:
  apple,
  arsenic,
  seed
Asked by jelloread12 to Ed, Hayley, Jason, Nathan, Sophie on 18 Mar 2013.
- Hayley Evers-King answered on 18 Mar 2013:
  
  There’s no arsenic in them, but there is cyanide – another very poisonous substance. However, you’d need to eat something like half a cup full of seeds (that’s a lot of apples!) to feel the effects!

Question: Is it true there is a toxic fluid by the name of arsenic in apple seeds? What would happen if you ate a plentiful amount of apple seeds??? Thanks!