Select the correctly punctuated phrases.

Blood pressure 120/80, pulse 60, heart tones are normal.
Blood pressure 120/80 pulse 60 heart tones are normal.
Blood pressure 120/80, pulse 60 heart tones are normal.

The correctly punctuated phrases are:

1) Blood pressure 120/80, pulse 60, heart tones are normal.
2) Blood pressure 120/80, pulse 60, heart tones are normal.

To select the correctly punctuated phrases, we need to consider the rules of punctuation.

1. "Blood pressure 120/80, pulse 60, heart tones are normal." - This phrase correctly uses commas to separate the different elements: blood pressure, pulse, and heart tones.

2. "Blood pressure 120/80 pulse 60 heart tones are normal." - This phrase lacks punctuation, making it harder to interpret. It would be clearer with commas: "Blood pressure 120/80, pulse 60, heart tones are normal."

3. "Blood pressure 120/80, pulse 60 heart tones are normal." - This phrase has a missing comma after "pulse 60." The correct punctuation would be: "Blood pressure 120/80, pulse 60, heart tones are normal."

Therefore, the correctly punctuated phrase is: "Blood pressure 120/80, pulse 60, heart tones are normal."