Humans must adapt if they want to survive

Humans are forced to adapt to different environments, or will face the risk of extinction.

We know that animals must adapt themselves by way of evolution, so that they can survive in harsh environments. For example, polar bears, they have been adapted to fight extremely low temperatures and food shortages during the winter. The camel's feet are especially adapted to the desert by allowing it to walk in the sand without sinking, and can go on a long journey without drinking water, which is another example. .

Polar bear

Humans also have to adapt through generations and thus, humans can also live in environments that are not friendly. We don't often see those changes, but the Indians of South America are the perfect examples of the adaptations that embody on their bodies.

The Indians are small

People here live at exceptional altitudes, where temperatures are lower and less oxygen in thin air, have to adapt to their environment in a truly spectacular way.

Harsh living environment

Scientists have discovered that their bodies produce more red blood cells, and these cells contain more hemoglobin (Hb) - the basic element that carries oxygen and allows it to be absorbed into the bloodstream. - more.

Indians in high mountains

Most of these harsh mountainous residents have developed other bodily functions, allowing them to live in low temperature conditions and conquer the atmosphere with only a small amount of oxygen.

Many Quechua Indians live in the Andes, South America, at an altitude of more than 3650 meters. They tend to be short-tempered, she is in stature to minimize the loss of warmth. Their heart and lungs are bigger and heavier than normal and so they can carry and circulate 20% more blood than other normal people.

Their limbs also have more blood vessels, making blood flow faster so these Indians can walk on ice or in the snow without being frostbitten or free.

The question is, what kind of adaptations do humans use in some parts of the world? Do they learn to live with less and simpler foods?

foot with middle finger

In areas that are often wet, maybe their feet will have membranes between their fingers, so they can walk more easily, or as Quechua Indians, have larger lungs and hearts to cope with. with low oxygen status due to air pollution.

Industrial pollution environment

We need to adapt if we want to survive as a full-fledged species, without falling into the danger of extinction like other animals.