Why do insects have a poorly developed circulatory system?

because the main function of the blood is to carry oxygen to the organs. because of their small size, many nasks have different breathing patterns.



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.