roman medical science included iron tooth implant, hellenistic tourniquet and arterial surgical clamps true or false

Most aqueducts were constructed below the surface, with only small portions above ground supported by arches. Sometimes, where valleys deeper than 50 metres (165 ft) had to be crossed, inverted siphons were used to convey water across a valley. The Romans also made major advancements in sanitation.

b. 155 enlisted men and no officers