____ serve(s) as a food and air passageway.
A: Pharynx
B: Larynx
C: Trachea
D: Lungs
A: Pharynx
B: Larynx
C: Trachea
D: Lungs
举一反三
- 中国大学MOOC: ____ serve(s) as a food and air passageway.
- The upper respiratory tract consists of? nose, pharynx, and larynx|nose and pharynx|nose, pharynx, larynx, and trachea|nose
- 上呼吸道包括 A: Nose B: Pharynx C: Larynx D: Trachea和Bronchi
- The ( ) is a tube that connects the larynx to the right and left bronchi (plural of bronchus), tubular branches into which the larynx divides. A: pharynx B: larynx C: trachea D: amphiarthrosis
- Ventilation in birds is accomplished by expansion and contraction of the ( ). A: air sacs B: trachea C: lungs D: diaphragm E: air capillaries