Nicole Angemi has a medical collection at her Merchantville, NJ, home including a human brain that has shrunk because of Alzheimer's disease, a jar filled of gallstones and the preserved placenta of one of her children. Nicole Angemi, a Camden County resident who has nearly 2 million followers on Instagram at "mrs_angemi," probably because she posts samples of human tissue, brains, tumors and other very real medical specimens for educational purposes.