Blood's partner is an expression that refers to the two components of blood, which are plasma and cells. Plasma is the liquid component of blood, while cells are the solid component. The crossword solutions for this term are GORE (4 letters) and FLESH (5 letters). GORE is a term used to describe the spilled blood and tissue from a wound or injury, while FLESH is a term used to describe the soft tissue of the body, including muscle, fat, and skin. Together, these two terms represent the two components of blood.