This is the 8155th most frequent Catalan word.
càrdio
"Cardio" in English refers to activities or exercises that increase heart rate, or relates to the heart.
Here, 'càrdio' is used as an adjective referring to the cardiovascular system in anatomy.
El cor és l'òrgan principal del sistema càrdio.
The heart is the main organ of the cardio system.
In this context, 'càrdio' denotes a fitness class focused on cardiovascular exercises.
La classe de càrdio d'avui serà intensa.
Today's cardio class will be intense.
In this sentence, 'càrdio' refers to cardiovascular exercise, highlighting its use as a physical activity term.