Cardio means relating to the heart or circulatory system and pulmonary refers to the lungs or respiratory system. So cardiopulmonary usually refers to the blood vessels in lungs that allow oxygen to enter the bloodstream.
I am not sure what you mean by "word part skills" but if you break down cardiopulmonary into its word parts, it has cardio- for heart, pulmo- for the lungs, and -ary means pertaining to. So literally it means pertaining to the heart and lungs.
snap
It will break the word down into syllables so the reader can understand the correct pronunciation. This is usually followed by a brief definition of the word, and (in larger dictionaries) an example sentence.
ophth almo scope that is you break the word ophthalmoscope
The definition of descending is that something is falling or its going down
The root word "rupt" means to break, burst, or rupture. It is commonly seen in words like interrupt, disrupt, and erupt.
To go down or decrease, or to turn down an invitation.
Unhappy, sad, down in spirit.
collapse.
Ques-a-dill-a
to smash, split, or divide into parts violently; reduce topieces or fragments:
'Science' does not break down food.