How many circles does a frog have?
| December 14, 2020 | education
The frog has two circles of blood circulation (small and large), as well as a three-chambered heart, consisting of two atria and one ventricle.
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.
