Heart block: Failure of the heart's normal rhythm controls leading to arrhythmia. Heart block: Impairment of conduction in heart excitation. It is often applied specifically to atrioventricular heart block. Heart block: recurrent sudden attacks of unconsciousness caused by impaired conduction of the impulse that regulates the heartbeat.
For pet rabbits and show rabbits, pine is completely safe for rabbit litter, especially kiln-dried pine. Kiln-dried pine is also the cheapest rabbit litter on the market. And since it does a comparable job to all the other litters, pine shavings as rabbit litter and rabbit bedding gets our top vote. See Rabbit Bedding for comparisons with several other rabbit bedding materials, and more recommendations.
EUROPEAN SHAM: They may not be as worldly or exotic as the name indicates, but they will most certainly help create an inviting bed. These square pillow coverings usually measure 26 x 26 and fit over European pillows. Many bedding patterns offer this size sham to coordinate with them. When used with standard shams, they create a stellar ensemble.