Your heart is about the same size as your fist and weighs a little less than two baseballs. As you grow and get bigger, your heart gets bigger too.
Check the average scale. I was told the have 4 chambers like us.
catch a luvdisc, most of the time they will be holding a heart scale. fish for them. no, you can't buy a heart scale.
The heart scale is used as a payment for the move tutor, or you can sell them.
Catch a bunch of luvdisc they can hold heart scale.
You can find them underwater and if you catch a luvdisc they may be holding a heart scale.
to get a heart dive
in the underground
In Pokémon Crystal (GBC), there is no Heart Scale item. The Heart Scale item was introduced to the Pokémon video games in Generation III (3) (Ruby/Sapphire/Emerald). Thus, you cannot get the Heart Scale in Crystal. There is no Generation II-III trading, so there is no possible way to use the Heart Scale in Pokémon Crystal Version, sorry!
The heart's owner hands. If s/he clanchs her/his hand, the size of the fist is in the same size as the heart's size.
There's a man in Fallabur town who will re-teach a Pokemon a move for a heart scale. But you must find a heart scale, they are in several places on the map but are mostly in or near water.
move tutor house one heart scale - one move taught
you can buy a heart scale at the pokeathalon for like 200 pts. but only on certain days