'This flap of cartilage prevents food & fluids from entering your windpipe'
the epiglottis
THE BODY HUMAN: This flap of cartilage prevents food & fluids from entering your windpipe
This flap of cartilage prevents food & fluids from entering your windpipe
This flap of cartilage prevents food & fluids from entering your windpipe
THE BODY HUMAN
the epiglottis
THE BODY HUMAN