Human Respiratory System Anatomical Model on Wooden Board, Hand-Painted Item Type_Dissection Pins this insulated lead pairs a

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

oral cavity

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

each with an 8-inch external probe on a 36-inch cord for class-wide temperature measurement from -50 to 300°C at ±1°C accuracy

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