You could drink water hanging upside down (don’t try it though!). What makes this possible?
Inhalation.
Peristaltic motion.
Vacuum in the stomach.
Chest movements.
Antigravity.
You could drink water hanging upside down (don’t try it though!). What makes this possible?
Inhalation.
Peristaltic motion.
Vacuum in the stomach.
Chest movements.
Antigravity.
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