Physiology · Multiple Systems · Easy
Cycle
Meaning: A recurring sequence of physiological events, such as the cardiac or menstrual cycle.
In practice: The cardiac cycle includes systole and diastole, repeating about 70 times per minute.
Quick check
Two questions on related physiology words.
Which word means: An involuntary, near-instantaneous motor response to a specific sensory stimulus.
Answer: Reflex
Which word means: Iron-containing protein in red blood cells that carries oxygen.
Answer: Haemoglobin
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