Why are frogs cold-blooded and people warm-blooded?
| December 5, 2020 | education
A person has a 4-chambered heart, 2 circles of blood circulation. There is a separation of arterial and venous blood, and in a frog it mixes (they have a 3-chambered heart).
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.
