Pulmonary circuit and the systemic circuit.
The pulmonary and the systematic circulation.
The two major divisions of the human nervous system are the central nerves and the peripheral nerves.
The heart and the blood vessels.
The two main part of circulatory system are hearth and Arteries
The two external controls of the circulatory system is the house.
The two major divisions are prose and poetry.
The two main part of circulatory system are hearth and Arteries
Central & Peripheral Edit: I don't think the last person read the entire question. Central (CNS) and Peripheral (PNS) are the two major divisions of the nervous system but the question is asking specifically about the central. Two major division of the central nervous system (structurally) are White matter and Gray matter.
There are 2 separate divisions of the nervous system. These 2 divisions are the central nervous system and the peripheral nervous system.
Central & Peripheral Edit: I don't think the last person read the entire question. Central (CNS) and Peripheral (PNS) are the two major divisions of the nervous system but the question is asking specifically about the central. Two major division of the central nervous system (structurally) are White matter and Gray matter.
The respiratory system and the circulatory (cardiovascular) system.
The two main part of circulatory system are hearth and Arteries