What are the different answers?
Answer:
I believe the answer Electrocardiogram
Explanation:
It measure the activity of the heart.
Answer:
the elbow is superior to the fingers but inferior to the shoulder..?
Explanation:
It needs atleast 20 minutes a day in order to have an effective cardio exercise.
If you really wanted to have a good cardio exercise that will benefit you and have a good health and healthy lifestyle, then you have to spare your 20 minutes a day.