How much of blood plasma is water (approximately)? Post author By Anonymous Post date January 27, 2025 Questions Hоw much оf blоod plаsmа is wаter (approximately)? Show Answer Hide Answer Related Posts:Blood is approximately what percent plasma by volume?Approximately how much water weight would be…Approximately how much blood does one 4x4 gauze hold? ← Which of these periods represents greatest cardiac output? → This heart structure carries oxygen poor blood.