Crossword Puzzle Telephone hum

Clue: Telephone hum

Like humanitarians (READYTOHELP with 11 letters)
Human, for one (e.g. BIPED with 5 letters)
Like much Lenny Bruce humor (SATIRIC with 7 letters)
Humans and ostriches, e.g. (BIPEDS with 6 letters)
''To ___ human'' (ERRIS with 5 letters)
Humorist who wrote "Happiness is having a scratch for every itch" (NASH with 4 letters)
Cut __: humble (DOWNTOSIZE with 10 letters)
Human end (OID with 3 letters)
Humorous poet Nash (OGDEN with 5 letters)
React to humidity (SWEAT with 5 letters)