As we saw in a previous beanbag, the word “human” appears in the singular 88 times.

In many cases it is used as a modifier of another noun.

“human history” — 4 times
“human suffering” — 1 time
“human body” — 3 times
“human bodies” — 4 times
“human error” — 1 time
“human brain” — 4 times
“human brains” — 1 time
“human thing” — 3 times (all by Grace in Space in direct speech or as narrator)
“human ship” — 2 times (both in Space)
“human beings” — 1 time
“human clothing” — 1 time
“human greeting” — 1 time
“human speech” — 1 time
“human population” — 2 times
“human science” — 4 times (by both Grace and Rocky)
“human technology” — 3 times (by both narrator and Rocky)
“human doctor” — 1 time
“human word — 2 times (Rocky and Grace)
“human eye — 1 time (Rocky)
“human eyes — 2 times (Rocky and Grace)
“human muscle — 1 time (narrator in Space)
“human hair — 1 time (narrator in Space)
“human hands — 1 time (narrator in Space)
“human light sense” — 1 time (Rocky)
“human healing” — 1 time
“(human) room temperature” — 1 time
“human cells” — 1 time
“human food” — 1 time (Rocky)
“human-sized entry hatches” — 1 time
“human reference book” — 1 time
“human civilization” — 1 time (Stratt)
“human standards” — 1 time
“human biomes” — 1 time
“human meat” — 1 time