Physiology · Cell Biology · Medium
Enzyme
Meaning: A biological catalyst that speeds up chemical reactions without being consumed.
In practice: Salivary amylase is an enzyme that begins digesting starch in the mouth.
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: An involuntary, near-instantaneous motor response to a specific sensory stimulus.
Answer: Reflex
Words like enzyme come up in the daily game
One medical word a day, then a quick three-question quiz. Free on iPhone, or play in your browser on Android and computer.