Physiology · Cardiovascular System · Easy
Diastole
Meaning: The phase of the heartbeat when the heart muscle relaxes and the chambers fill with blood.
In practice: The coronary arteries fill with blood mainly during diastole, when the heart muscle relaxes.
Quick check
Two questions on related physiology words.
Which word means: The ability of an organ to keep its blood flow constant despite changes in blood pressure.
Answer: Autoregulation
Which word means: A drug that binds to a receptor and activates it, mimicking the natural chemical.
Answer: Agonist
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