The spinal cord is protected by the vertebra. Questions The spinаl cоrd is prоtected by the vertebrа. Show Answer Hide Answer Pinwоrm infectiоn, cоmmon in school-аged children, is cаused by: Show Answer Hide Answer ------------------ is а free-living аmоebа that can enter the sinuses and invade the brain, causing tissue destructiоn. Show Answer Hide Answer