1. People living in the Arctic need to eat high-protein food to keep their body temperature constant. The main food is fish and marine mammals. These foods are rich in protein, and protein is one of the essential nutrients for human body.
Secondly, due to the bad environmental conditions, it needs to consume more energy to keep the body temperature. Therefore, the diet is also high in fat, including foods rich in omega-3-3 fatty acids such as whale fat, which is beneficial to cardiovascular health and can provide the energy needed by the body. It also eats various organs of animals, including liver and heart, which are rich in nutrients, such as vitamins A, D, E and B, and can provide a lot of minerals.
Finally, we eat seabird eggs and wild plants. Although these foods can't provide enough nutrition, they can be used as a supplement.
4, and the body temperature is constant In vertebrates, the body temperature of mammals and birds is constant, about 37 degrees Celsius. Maintain body temperature, reduce dependence on the environment and enhance adaptability to the environment.