| Answer | Crossword Clue |
|---|---|
| VALVE | One of four in the human heart |
| CHEEK | One of four on the human body? |
| NEURON | One of about 100 billion in the human brain |
| utopist | one who believes in the perfectibility of human society, also UTOPIAN |
| utopian | one who believes in the perfectibility of human society, also UTOPIST |
| FOR | "When in the Course of human Events, it becomes necessary ... one People ..." |
| utopians | UTOPIAN, one who believes in the perfectibility of human society, also UTOPIST |
| utopists | UTOPIST, one who believes in the perfectibility of human society, also UTOPIAN |
| anthropometrist | one who engages in the comparative study of sizes and proportions of the human body |
