Einthovens's Triangle is an imaginary lead formation for EKG. Developed by William Eithoven, the leads are placed on wrists of both arms and the lower left leg. This forms a equilateral "triangle" for which to measure Electrocardiogram readings.
I believe it C- the activity and your fitness level
Yes, in its entirety, because the barrier methods are natural and
protect more safely than the hormonal ones because hormonal methods can
fail due to the incidences of the body, while the barrier method
prevents conception more effective and safe.
