Across
- 2. when sperm and ovum fuse
- 6. expression of emotions
- 8. out of womb development
Down
- 1. stage between birth and 3 months
- 3. things such as problem solving
- 4. in the womb development
- 5. interactions with others
- 7. between birth and 2 years
- 8. parts of the body and how they develop