GENERAL RELEASE

KNOW ALL MEN BY THESE PRESENTS that Wade Investments Ltd., on behalf of itself
and its shareholders and beneficial owner(s) (hereinafter the "Releasors"), for
and in consideration of the sum of one thousand nine hundred and fifty dollars
($1,950.00), lawful money of the United States of America and other good and
valuable consideration to it in hand paid by Life Systems Corp., the receipt
whereof is hereby acknowledged, HEREBY RELEASE, ACQUIT AND FOREVER DISCHARGE
Life Systems Corp. (a Nevada corporation, formerly Bio-Preserve International
Corporation), Perfusion Systems Inc. (a Nevada corporation), Bio-Preserve
Medical Corporation (a Florida corporation), Bio-Preserve Medical Corporation (a
Washington corporation) and their successors/ predecessors-in-interest, agents,
consultants, representatives and designees, affiliates, officers, directors,
employees and shareholders (hereinafter the "Releasees"), and by these presents
do for themselves, their heirs, executors, administrators, successors and
assigns, RELEASE AND FOREVER DISCHARGE the Releasees, from any and all manner of
action and actions, causes of action, suits, claims, debts, dues, sums of money,
accounts, reckoning, bonds bills specialties, covenants, contracts,
controversies, agreements, promises, variances, trespasses, damages, judgment,
extents, executions, claims and demands whatsoever and howsoever arising, in law
or in equity, which it, ever had, now has or which its heirs, executors or
administrators, hereafter can, shall or may have for or by any reason or arising
out of any cause, deed, matter, thing, omission or otherwise whatsoever and
howsoever existing up to the date of this General Release and, in particular,
but without limiting the generality of the foregoing, arising out of the
cancellation, by Life Systems Corp., of 780,000 common shares (19,500,000 common
shares pre-rollback) in the capital of Life Systems Corp. previously issued to
Wade Investments Ltd.

         IT IS HEREBY UNDERSTOOD AND AGREED that neither the payment of the said
sum nor anything contained herein shall be deemed to be an admission of
liability on the part of the Releasees, or their successors, assigns, officers,
directors, servants or agents.

         IT IS FURTHER UNDERSTOOD AND AGREED that the settlement is made, this
Release is executed and the said sum is voluntarily accepted by the Releasors
for the purpose of making a full, final and irrevocable settlement of any and
all claims whatsoever and howsoever arising against the Releasees, or their
successors, assigns, officers, directors, servants or agents.

         The Releasors HEREBY AGREE that this Release may be pleaded as a
complete defense to any action brought by any of the Releasors against any of
the Releasees on any claim whatsoever arising prior to and as of the date of
this Release AND ACKNOWLEDGE that they have read the foregoing General Release
and know the contents thereof and fully understand the same.

         IN WITNESS WHEREOF this Release has been executed on January__, 2002.

SIGNED AND DELIVERED on        )        Wade Investments Ltd.
January ____, 2002 in the      )
presence of:                   )
                               )
/s/  Signed                    )        /s/  Signed
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Signature                      )        Authorized Signatory
                               )
Tania Bayles                   )
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Print Name                     )
                               )
P.O. Box N-4825                )
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Address                        )
                               )
Secretary                      )
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Occupation