In medical terminology, what is the difference between Superior & Inferior and Cranial & Caudal?

• A. No difference
• B. Superior & Inferior is for large structures while Cranial & Caudal is for those in and around the brain and tail
• C. Superior & inferior is used for humans while Cranial & Caudal is used for animals
• D. Superior & Inferior is used for animals while Cranial & Caudal is used for plants