air embolism is a blood vessel

air anemia anoxaemia anoxia apoplectic apoplexy artery attack bleed bleeding blood bloodstream body brain cells cerebral cerebrum circulatory embolism erythrocytes gore haemoglobin heart hemoglobin human infarct infarction insult ischaemia ischemia laboratory macro magnification medical medicine microbiology microscope mind molecule red science scientific stroke system vascular vein