Which components are part of the upper respiratory system? Check all that apply. trachea lungs nose alveoli pharynx bronchi larynx

lungs, nose, and pharynx

Explanation: trachea, bronchi, alveoli, and larynx are in the lower respiratory system.

the ileocecal valve (also called bauhin valve), which limits the rate of food passage into the cecum and may prevent material from returning to the small intestine.