During the rest and activity the blood vessels and nerves maintain a constant tone, normal renitency, elasticity, activity, strength and excitability, as observed in a state of health.
(the blood vessels and nerves; maintain; a constant tone, normal renitency, elasticity, activity, strength and excitability; T:During the rest and activity)
the blood vessels and nerves
maintain
a constant tone, normal renitency, elasticity, activity, strength and excitability T:During the rest and activity