The phrase "blood donors" refers to individuals who willingly give their blood to help others who may need it, such as during medical emergencies or surgeries.
Sentences with «blood donors»
If cleared for further donation, the dog is invited to become a member of our canine blood donor program. (vetmed.ucdavis.edu)
Finally, the researchers gave all the participants the opportunity to volunteer as blood donors. (scientificamerican.com)
How about asking your congregation to become blood donors instead? (religion.blogs.cnn.com)