The parts.py module# Summary# Classes Part Base part class. Septum Septum part. Chamber Intermediate class for heart chambers with endocardium and epicardium. Ventricle Ventricle part. Atrium Atrium part. Artery Artery part. Myocardium Myocardium part. Description# Define classes for anatomical parts. Each class extends the base Part class and provides specialized attributes for different heart structures.