Across
- 3. Unity of a male sperm and a female egg
- 6. growth spurts, acne, perspiration are signs of
- 7. The release of a mature ovum
- 10. shedding of the uterine lining
- 11. Twins from 2 separate fertilized eggs
- 12. male hormone
Down
- 1. gland that produces fluid that helps keep sperm alive, common cancer area
- 2. structures that carry information about hereditary traits
- 4. female hormone
- 5. The first year of life
- 8. Where testosterone is stored
- 9. Where ovum is stored