| Answer | Crossword Clue |
|---|---|
| lungs | either of the two saclike respiratory organs |
| lung | either of the two saclike respiratory organs |
| testicle | Either of the two oval organs that produce sperm in men and other male mammals, enclosed in the scrotum behind the penis |
| testicles | Either of the two oval organs that produce sperm in men and other male mammals, enclosed in the scrotum behind the penis |
| sex | either of the two major forms of individuals that occur in many species and that are distinguished respectively as female or male especially on the basis of their reproductive organs and structures |
