common pathways for food and air are the (1), which connects to the mouth, and (2), which connects to the larynx. Epithelium in this region is (3), which provideds good protection from friction. Three bands of skeletal muscle, the (4) propel food into the (5). Entrance to the stomach is guarded by the (6).
3 answers
What animal is this?
Human
Oh..
1. Pharynx
2. Trachea
3. Central Nervous System
4. -
5. -
6. Cardiac Sphincter
1. Pharynx
2. Trachea
3. Central Nervous System
4. -
5. -
6. Cardiac Sphincter