There are other simple ways to get information about the performance of different Organs and Systems. Some of which I am using in my practice diagnostic are:

pH; monitor and regulation of urine and saliva pH

Basal body temperature; monitor and regulation

Oxymeter and Control Pause (breathing test) which can determine the oxygenation of the body tissue

The classic Blood pressure monitor

The SCENAR can be used for meridian diagnosis and to determine energy asymmetries in the body

Hair Mineral Analysis