Stomach
The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the esophagus. As food reaches the end of the esophagus, it enters the stomach through a muscular valve called the lower esophageal sphincter. The stomach<span> secretes acid and enzymes that digest food.</span>
Making sure there are no poisonous gasses entering your lungs by covering your mouth and nose
Answer:
i think it is B
Explanation:
hope it helped!
p.s it would be cool if you gave me brainliest.
Answer:
Because they don't like the noises
