B archipelago seems to be the right answer correct me if I am not right
The answer is 20 minutes. You must have 20 minutes of cardio each day to have an effective cardio exercise.
In the lungs, oxygen is put into the blood and carbon dioxide is taken out of the blood during the process of breathing. After the blood gets oxygen in the lungs, it is called oxygen-rich blood.
Answer:
Cardiopulmonary resuscitation
Explanation:
