Challenging puzzle for experienced crossword solvers
Vital Organs and Body Systems Puzzle
Moderate difficulty suitable for most players
1
2
3
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6
Across
- 1. Light-sensitive layer at the back of the eye for vision
- 2. The muscular middle layer of the heart tissue
- 5. Primary organs responsible for gas exchange in respiration
Down
- 3. Filters blood to produce urine and maintain fluid balance
- 4. Tubes connecting ovaries to the uterus in female anatomy
- 6. Bone forming the upper arm from shoulder to elbow
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