What is common to fish and lancelet
| May 29, 2020 | Education
The circulatory system of the lancelet is closed and delimited from surrounding organs by the walls of blood vessels. Under the throat is the abdominal aorta, a large vessel whose walls constantly pulsate and distill the blood, thus replacing the heart.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.