The correct answer would be the endocrine system. Hope this helps!
Different types of blood contact different kinds of antigens and antibodies. For example, Type A blood has A antigens and B antibodies, antibodies being the thing that fights B antigens. Type B blood has B antigens and A antibodies. So if someone with type B gets transfused with Type A blood, the person's antibodies will attack the new blood.
It would be best to ask a professional on the subject.
Milankovitch cycle, its named for the man who theorized it
The temperature is equal in both.
Hope this helps!
