You can just say 'no relations' or 'blood unrelated'
The noun 'relation' is an abstract noun as a word for the connection or relevance of one person or thing to another; a word for a concept.The noun 'relation' is a concrete noun as a word for a someone connected by blood or marriage to another; a word for a person.
A blood relation is a person who is related to another through birth as opposed as through marriage.
Septicemia is another word for blood poisoning.
Relative vector of velocity. "Bearing" is another possibility.
Mean is another word for average
The word 'relation' is a noun, a singular, common, abstract noun; a word for the way in which two or more people or things are connected; a thing's effect on or relevance to another; a person who is connected by blood or marriage (a relative); the action of telling a story. Example: As long as you recognize the relation between your unwise choice and the consequence.
agnate, aunt, blood, brother-in-law, clansperson, cognate, connection, cousin, father, father-in-law, folk, folks, grandparents, great-grandparents, in-laws, kinsperson, mother, mother-in-law, nephew, niece, relation, sib, sibling, sister-in-law, stepbrother, stepparent, stepsister, uncle, blood brother, kin, kinsperson, relation, relative, twin
Another word for half-blood is demigod.
cell of blood
Blood vessel
bleeding
"phlebotomy"