HUMAN REPRODUCTION 0.0 / 5HideShow resource informationBiologyHuman, animal and plant physiologyA2/A-levelWJECCreated by: emily.wardillCreated on: 19-04-15 19:36 56108321479 Across 1. hollow ball of cells (10) 4. chorion secretes this hormone to prevent degeneration of corpus luteum (3) 7. after 3 days the blasyocyst embeds here (11) 8. contains seminiferous tubules (6) 9. formation of sperm in the testis (15) Down 2. in pregnancy tests hCG acts as this (7) 3. digest the layers of cells surrounding the oocyte (8, 7) 5. secretes a fluid that nourish and protect the spermatids (7, 5) 6. clear membrane surrounding the secondary oocyte (4, 9) 10. where spermatozoa are produced (12, 7)
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