13: saliva (option B)
14: Tongue
15: esophagus
16: stomach
17: enzymes
18: chyme
19: small intestine
When you swallow, food goes through the esophagus and into the stomach.
Hey there Prettyblack031p1p3le,
Medical specialist refers to an unborn offspring from a second moth of pregnancy until birth as a?
Answer:
Fetus
Hope this helps :D
<em>~Danielle♥</em>