Food is prevented from going into the larynx by the （ ）.
A: ligament
B: epiglottis
C: air sac
D: epiphysis
A: ligament
B: epiglottis
C: air sac
D: epiphysis
举一反三
- _____ prevents from being chocked during swallowing. A: Pharynx B: larynx C: esophagus D: epiglottis
- ____ serve(s) as a food and air passageway. A: Pharynx B: Larynx C: Trachea D: Lungs
- What is the opening to the larynx called? A: trachea B: epiglottis C: laryngopharynx D: glottis
- How is food for plants made Food for plants is made ______. A: from water B: from the air in the sky C: from the soil D: from water, things in the soil and air and sunlight
- What do you imagine ______ him from going A: to prevent B: preventing C: to have prevented D: prevented