A normal blood clot consists of a clump of blood-born particles that have become stuck together inside a blood vessel; this usually occurs at the site of a blood vessel injury and is part of the normal healing process.
BRE is an independent and impartial, research-based advisory, testing and training organisation, offering expertise in every aspect of the built environment and associated industries. We help clients create better, safer and more sustainable products, buildings, communities and businesses - and we support the innovation needed to achieve this.
This is one of a series of articles about the differences between British English and American English, which, for the purposes of these articles, are defined as follows: 1  British English (BrE) is the form of English used in the United Kingdom. 2  It includes all English dialects used in the United Kingdom. British English (BrE) is the form of English used in the United Kingdom. 2  It includes all English dialects used in the United Kingdom. 3  American English (AmE) is the form of English used in the United States. 4  It includes all English dialects used in the United States.