On Apr 9, "pavane" > wrote:
> > Sometimes you find a fruit, with skin intact, but a discolored
> > bruise is visble, beneath the skin. *(apples, pears) *I always
> > slice that off, but is there any health hazard ingesting it?
>
> Perfectly safe, slightly differrent taste and texture.
>
> > Also, if the interior is sealed, skin unbroken, how does the
> > discoloration occur, if there's no oxygen exposure?
>
> Put your arm on a table. *Now pick up a hammer with the
> other hand and hit your arm. *The skin probably will not
> break but the area underneath will bruise. *Same thing.

aha
So, when an apple is bruised, it suffers internal bleeding,
that's why it discolors.

Thanks.

> Remember that apple cells carry oxygen, as do most
> living cells.

If cells carry oxygen (whatever tha means), why
do they need blood?

--
Rich