Human Respiratory System Anatomical Model on Wooden Board, Hand-Painted Item Type_Dissection Pins Multi-tube Bernoulli apparatus with a

Multi-tube Bernoulli apparatus with a central-constriction tube

bottle in borosilicate glass holds 125mL with glass stopper for biological oxygen demand testing and water quality analysis

this insulated lead pairs a 4mm banana plug at one end with a crocodile clip at the other for flexible patch wiring

Larger 100 by 25 by 35mm right-angle acrylic prism

Human Respiratory System Anatomical Model on Wooden Board, Hand-Painted Item Type_Dissection Pins Multi-tube Bernoulli apparatus with aHand painted labeled respiratory system mounted on a wooden board shows nasal cavity, pharynx, larynx, trachea, and bronchial tree for classroom wall display.