1 Orion measure of distance 2 celestial home of the solar system
3 constellation star pattern
4 light year winter constellation
5 cosmology North Star
6 zodiac origin of the universe
7 wanderers of the sky
8 Polaris planets
9 Milky way path for the sun and planets

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed