What is the relationship between the circulatory and digestive systems of organs?

it’s in the transport of nutrients and toxins
The connection between the circulatory and digestive systems is the transport of nutrients and toxins.
In the digestive system, substances are absorbed, and then transported (transported) by the circulatory system.

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.