In the third aliyah G-d says that sacrifices may be offered nowhere else, other than the Mishkan.
G-d also says that it is forbidden to eat blood, or animals that are torn (in Hebrew: "treifa") or die by themselves.
In addition, when the Jewish people get to the land of the Canaanites, they shouldn't follow after their ways.
The Torah then goes on to list several prohibited sexual relationships with close relatives, and also with a woman who is nida (who has not yet gone to the mikvah, with all its particulars).