Physiology · Cardiovascular System · Easy
Blood
Meaning: The fluid that circulates through the cardiovascular system carrying oxygen and nutrients.
In practice: Blood type must be matched before a transfusion to prevent a dangerous reaction.
Quick check
Two questions on related physiology words.
Which word means: An ion dissolved in body fluids, such as sodium or potassium, that conducts electricity.
Answer: Electrolyte
Which word means: The process by which cells engulf and digest foreign particles.
Answer: Phagocytosis
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