Question

What is the name of the first part of the small intestine? What controls the entry of food into the first part of the small intestine?

Answer 1

Small intestine:

1. The small intestine is the longest portion of the gastrointestinal tract, which is the long, continuous track through which food travels in your digestive system.
2. Food is broken down into liquid in the small intestine, where the majority of its nutrients are absorbed.
3. The waste is then transferred to the big intestine.

Name of the first part of the small intestine:

1. The duodenum is the first section of the small intestine.
2. The duodenum aids in the digestion of meals from the stomach.

The part that controls the entry of food into the first part of the small intestine:

The lower oesophageal sphincter is a ring of smooth muscles that regulates the passage of food from the oesophagus into the stomach.