Hold two fingers to beneath the jaw line then count how many beats in 6 (eg) seconds the multiply by 10 (eg) so you get the number of beats in one minute
Answer: Bio feedback session
Explanation: During a biofeedback session, electrodes are attached to your skin. Finger sensors can also be used. These electrodes/sensors send signals to a monitor, which displays a sound, flash of light, or image that represents your heart and breathing rate, blood pressure, skin temperature, sweating, or muscle activity.
It relieves stress and gives you control over your body.
I hope you found this helpful Kylie.
The middle one is the answer