If they are properly prepared to withstand the gastric pH and the enzymes from the gut specially built for converting any big enough protein or steroid to little chunks (amino acids and lipids) so they can be absorbed, then: yes. read more
Estrogen like hormones can also be absorbed from eating tofu, and these are not necesarilly harmful. Some things cannot be absorbed by the digestive system because they get broken down, although i cant think of an example other than atp. read more
As food moves through your GI tract, your digestive organs break the food into smaller parts using: motion, such as chewing, squeezing, and mixing; digestive juices, such as stomach acid, bile, and enzymes; Mouth. The digestive process starts in your mouth when you chew. read more