As food reaches the end of the esophagus, it enters the stomach through a muscular valve called the lower esophageal sphincter. The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion.Mar 4, 2016
<span>It leads to an increase level of biodiversity.</span>
Actually, we have 4 incisors,1 canine on each side, 2 premolars on each side and 3 molars on each side. The most logical answer would be b.
Hello there,
Your correct answer would be "oxytocin".
This would be your answer because oxytocin is the only hormone that has a positive feedback loop. The other one's do not have positive. They contain negative loop's.
Hope this helps.
~Jurgen