Physiology · Respiratory System · Easy
Expiration
Meaning: The act of breathing air out of the lungs.
In practice: Wheeze heard mainly on expiration suggests narrowing of the small airways.
Quick check
Two questions on related physiology words.
Which word means: A product of anaerobic metabolism that rises in the blood when tissues are short of oxygen.
Answer: Lactate
Which word means: The shrinking of the uterus back to its non-pregnant size after delivery.
Answer: Involution
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