4-Piece Bronchus Model Promo Younger elementary-level boys will appreciate

Younger elementary-level boys will appreciate this upbeat look at the changes of puberty

Tackle germs on high-touch surfaces with PURELL Surface Disinfecting Wipes

Designed with DuraShock technology

The casters allow you to wheel your monitor anywhere needed

Size: 1 1/2" dia x 1/2"

4-Piece Bronchus Model Promo Younger elementary-level boys will appreciate(3 7 8" x 1 1 2" x 1 3 4") Four stage cross section of bronchus demonstrating the tissue changes occurring in asthma and chronic bronchitis. Four stages include normal bronchus, hypersecretion of the mucous gland, swelling with lymphoid aggregations and smooth muscle spasm. The model includes cartilage, mucous glands and plug, spiraling smooth muscles, and the fibroelastic connective tissue and epithelial layers of the bronchus. All stages rotate on