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A PVC human lungs model is a life-sized or scaled replica of the human respiratory system, made from durable PVC plastic. It is commonly used for educational purposes to demonstrate lung structure, function, and anatomy, showing details like the trachea, bronchi, and alveoli. The model is often designed for interactive learning, allowing users to study respiratory mechanics

The small intestine consists of three parts. The first part, called the duodenum, connects to the stomach. The middle part is the jejunum. The third part, called the ileum, attaches to the colon.

A small intestine model is a visual representation of the longest part of the digestive system. It helps us understand how food is completely digested and nutrients are absorbed into the body.

A nose model is a visual representation of the structure of the human nose. It helps us understand how the nose functions in breathing and smelling. The nose is the main entry point for air in the respiratory system.