3 ms·I suppose you could do it by appendage, but then a humanoid robot would be 4 persons.by Vexs 10y agoI suppose you could do it by appendage, but then a humanoid robot would be 4 persons.jacquesm 10y agoI count 20 of them.cmdrfred 10y ago21 here.ars 10y agoYou only have one ear?