@ctctw7 I grew up with a lot of this stuff from farm culture.
But I was taught that because of the nutritional density that you want to eat smaller amounts and less of the ones that hold so much nutrition. Liver is at the top of that list. It's been forever since I looked into it, but there was something about kidneys, I sure you could look it up online. Then the heart.
But the rest, like tongue, are just muscles. Intestines as well don't have anything extra to worry about. But it's more about eating the organs occasionally, especially liver, inside of eating them every day or every meal. But there was this great kidney pie my dad made growing up, his family would make it once a week.