Drink out of a water bottle. Trying to use a glass may result in spilling some water, which will enter your nose!
Peristalsis and esophgeal musclulature.
Peristalsis or muscles in your esophagus contract in a wave pushing the water to your stomach
Yes
The same way that a person can be upside-down on Earth and still swallow water. The ability to swallow has nothing to do with gravity; it has to do with the muscles in the esophagus which move food and water from the throat to the stomach.
You turn Upside down.
While most animals have a difficult time swallowing their food when they are held upside down, there is one animal that cannot swallow when held in this manner. This animal is a chicken.
Humans don't need gravity to swallow, although, interestingly, birds (i.e. canaries) do.
Yes. It's slightly more difficult because you're working against gravity, though. The oesophagus is a tube-like organ, and the act of swallowing squeezes the food through the tube to down to the stomach, or sideways, or up as the case may be.
because the spoon is concave, making the reflection upside down
in water
To successfully perform the water bottle upside down trick, you need to fill the bottle about halfway with water, quickly flip it upside down, and then swing your arm in a circular motion to create a vortex inside the bottle. This vortex will keep the water from spilling out when the bottle is upside down. Practice and timing are key to mastering this trick.
freez the water. after freezing it will be ice then you can turn a glass of water upside down without spilling the water.