Question

Почему в горах на большой высоте трудно дышать? Почему там пить воду из трубочки труднее чем у подножья горы

Answer 1

Ответ:

Дело в том, что на большой высоте атмосфера становится более разреженной. И хотя при этом процент содержания кислорода в воздухе остается таким же как и внизу, общее его количество уменьшается. При этом уменьшается также сила, с которой этот кислород давит на стенки легких, и падает концентрация кислорода в крови

Answer 2

Why is it difficult to breathe at high altitudes in the mountains?

At high altitudes in the mountains, it becomes difficult to breathe due to the decrease in oxygen levels in the air. The air pressure decreases as you go higher, which means there are fewer oxygen molecules available per unit volume of air. This decrease in oxygen availability makes it harder for our bodies to take in the necessary amount of oxygen during each breath.

When we breathe, oxygen from the air enters our lungs and is then transported to our body's cells through the bloodstream. At higher altitudes, the reduced oxygen levels in the air make it more challenging for our lungs to extract enough oxygen from each breath. As a result, our bodies have to work harder to compensate for the lower oxygen levels, leading to symptoms like shortness of breath, fatigue, and dizziness.

The decrease in oxygen levels at high altitudes is primarily due to the lower atmospheric pressure. The air pressure decreases with increasing altitude because the weight of the air above decreases. This decrease in pressure affects the partial pressure of oxygen, which is the pressure exerted by oxygen molecules in the air. The lower partial pressure of oxygen at high altitudes means that there are fewer oxygen molecules available for us to breathe in.

Source:

Why is it more difficult to drink water through a straw at high altitudes in the mountains?

Drinking water through a straw at high altitudes in the mountains can be more challenging due to the lower air pressure. As mentioned earlier, the air pressure decreases as you go higher in altitude. This decrease in air pressure affects the pressure inside the straw as well.

When you use a straw to drink, you create a partial vacuum inside the straw by sucking on it. This vacuum helps to draw the liquid up the straw and into your mouth. However, at higher altitudes, the lower air pressure means that the pressure inside the straw is also lower. As a result, the pressure difference between the inside and outside of the straw is reduced, making it more difficult for the liquid to be drawn up.

Additionally, the lower air pressure can cause the liquid to boil at a lower temperature. This phenomenon is known as the boiling point elevation. At higher altitudes, the boiling point of water is lower than at sea level. This means that the water inside the straw may start to boil at a lower temperature, which can create bubbles and make it harder to drink through the straw.

In summary, the lower air pressure at high altitudes affects the pressure inside the straw and can make it more difficult to drink water through a straw. The reduced pressure difference and the potential for boiling point elevation contribute to this difficulty.

Source: