Aclient reports after a back massage that his lower back pain has decreased from 8 to 3 on the pain scale. what opioid neuromodulator does the nurse know is released with skin stimulation and is more than likely responsible for this increased level of comfort?

it would be heredity

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg