Unlike flatworms, roundworms have what in the digestive system?
November 27, 2020 | education
| Unlike flatworms, roundworms have a heart in their digestive system. Roundworms do not have a respiratory and circulatory system.
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.