Published on: 7/4/2025
How does the process of vomiting work?
Vomiting is the body's way of forcefully getting rid of things in the stomach, involving muscles in the stomach and breathing system working together.
Explanation
Vomiting is a complex process that involves several parts of the body working together. It starts when the brain receives signals that something harmful might be in the stomach. This can be due to things like bad food, motion sickness, or even strong smells.
How Vomiting Happens:
- Brain Signals: The brain sends signals to start the vomiting process.
- Muscle Actions: Muscles in the stomach and the muscles we use to breathe work together. They squeeze and push to help force the contents of the stomach out through the mouth.
- Breathing Changes: During vomiting, breathing muscles change how they work to help push things out. This includes muscles like the diaphragm.
Vomiting is the body's way to protect itself by getting rid of things that might make us sick. It's a natural reflex that involves both the digestive system and the muscles we use for breathing.
(References)
- Encarnacion HJ, Parra J, Mears E, & Sadler V. (2009). Vomiting. Compendium (Yardley, PA), 19412902.
- Lang IM. (1990). Digestive tract motor correlates of vomiting and nausea. Canadian journal of physiology and pharmacology, 2178749.
- Miller AD. (1990). Respiratory muscle control during vomiting. Canadian journal of physiology and pharmacology, 2178748.
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