The biological death of a patient means the death of tissues of the - (1) kidney (2) heart (3) brain (4) lungs

The biological death of a patient means the death of tissues of the - (1) kidney (2) heart (3) brain (4) lungs
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(3) brain Explanation: Biological death occurs when brain cells start to die due to lack of oxygen. Biological death follows clinical death (when a person stops breathing). Without oxygen brain damage can occur within minutes. 4-6 minutes of oxygen deprivation can cause minor brain damage. 6-10 minutes of oxygen deprivation will cause brain damage. After 10 minutes of no oxygen irreversible brain damage occurs.
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