Use of human body tissue and fluids: Is it ok to use human body tissue or fluids such as cheek cells or tears in science experiments in schools?

Use of human body tissue and fluids: Is it ok to use human body tissue or fluids such as cheek cells or tears in science experiments in schools?
Growing mould on bread: What are the recommendations, guidelines, and policies relating
Home activities for students: Can you suggest some activities that are suitable to be conducted at home?
Student practical activities at home: Can students take chemicals and equipment home to enable them to conduct practical activities/experiments in the home environment?
Biologically preserved specimens
Transportation of school chemicals: What are the rules for transporting school chemicals in private vehicles?
Glass stoppers fused to bottles: Do you have any advice regarding dealing with the (safe) removal of ground glass stoppers from reagent bottles, which have frozen to the joint?
Health monitoring requirements: Is health monitoring for exposure to hazardous chemicals required for chemicals in the List of Recommended Chemicals/ Chemical Management Handbook?
Soldering and the use of tin and lead solder: Is it okay for students to do soldering using the tin/lead solder?