Blood donation is the process of voluntarily giving blood, either for storage in a blood bank or for immediate use by a patient.

The British Red Cross Society (Y Groes Goch Brydeinig) is the United Kingdom body of the worldwide neutral and impartial humanitarian network the International Red Cross and Red Crescent Movement.

Canadian Blood Services (French: Société canadienne du sang) is a non-profit charitable organization that is independent from the Canadian government.

A charitable organization, also known as a charity or non-profit organization, is a type of organization that is set up and operated for the purpose of providing assistance and support to individuals, communities, or causes in need.

First aid is the immediate and temporary care provided to an injured or ill person until professional medical assistance arrives.

The Geneva Conventions are a series of international treaties and protocols that establish the standards of humane treatment during armed conflicts and other emergencies.

HIV, or Human Immunodeficiency Virus, is a retrovirus that attacks the immune system of humans, leading to the acquired immunodeficiency syndrome (AIDS).

The International Red Cross and Red Crescent Movement is a global humanitarian organization that provides assistance to those in need, regardless of their race, nationality, religion, or political beliefs.