What organs and organ systems appeared in multicellular animals?
| November 27, 2020 | education
They, in fact, have all the organ systems, namely: nervous, musculoskeletal, endocrine, circulatory, respiratory, integumentary, digestive, excretory, reproductive.
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.
