What changes in the internal structure have appeared in amphibians in comparison with fish?
| December 19, 2020 | education
Amphibians have a three-chambered heart (2 atria, 1 ventricle), two circles of blood circulation, respiratory organs, lungs and skin, 2 cerebral hemispheres.
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.
