| A | B |
|---|
| ovary | female organ |
| ovum | sex cell |
| oviduct | long tube ovum travels through |
| cloac | opening where the egg pops out |
| albumen | white substance that surrounds the ovum (yolk) |
| shell | hard covering surrounding the insides |
| air cell | at the large end of the egg letting the chick breathe |
| yolk | another name for the ovum |
| germ spot | another name for nucleus |
| nucleus | where the chick begins to develop |
| twenty-one days | how long it takes a chick's egg to hatch |
