What happens to the air when you breathe?

When we breathe in, air enters our lungs. Already in the lungs, oxygen, which is contained in the air, enters our blood, and is carried by it throughout our body, nourishing all our organs. When we exhale, air comes out of the lungs without oxygen.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.