Perfect for beginners with simple, common vocabulary
Vital Systems and Organs Insight
Moderate difficulty suitable for most players
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Across
- 1. Tissue that contracts to produce movement
- 2. Nerve cell responsible for transmitting electrical signals
- 5. Light-sensitive layer at the back of the eye
Down
- 3. Tiny air sacs in the lungs for gas exchange
- 4. Blood vessel carrying oxygen-rich blood from the heart
- 6. Organ that secretes hormones or other fluids
- 7. Fibrous tissue connecting muscle to bone
- 8. Organ that filters waste from blood to form urine
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- Perfect for beginners with simple, common vocabulary