_______________________________ determine the levels of oxygen, carbon dioxide, and pH in the blood, abbreviated as ______________.

What is the combining form: urethr/o

Match combining form with their definition: valvul/o

What does the suffix : -centesis mean 

What is the abbreviation for: voiding cystourethrogram

What does the following suffix mean: -rrhaphy

Heart disease due to lung disease

Blood is circulated through the body by the pumping action of the: 

 What does pleural effusion mean?

What does the prefix : pan- mean?