List the anatomical features of a person, proving his belonging to the Chordate type.

Notochord formation under the neural tube; tubular structure of the central nervous system; the presence of the spinal cord and brain; a closed circulatory system, the presence of a 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.