All the human systems are interrelated on some manner. Digestive, circulatory and respiratory are the main systems, all of them managed by the CNS in the brain. They are interdependent because they need a common factor to keep on functioning: the blood.
respiratory system Circulatory system
Respiratory, DIGESTIVE.
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The heart is the pump in the circulatory system.
Respiratory system works with digestive system ,circulatory system ,excretory system (indirectly through circulatory system...
The Circulatory System pumps blood and the Respiratory and Digestive System carry it though your body.
The digestive system, respiratory system, circulatory system
the digestive system and the respiratory system, or the lymphatic system and the endocrine system, or the digestive system and the cardiovascular system, or the endocrine system and the cardiovascular system
The veins are found in the circulatory system.
endocrine,digestive,circulatory,integumentary,respiratory and urinary
The respiratory system interacts most directly with the circulatory system in terms of function. Structurally, it shares some body parts with the digestive system.
* circulatory system * digestive system * endocrine system * integumentary system * immune system * muscular system * nervous system * reproductive system * respiratory system There are actually more than nine. The ones not mentioned are: * skeletal system * excretory(urinary) system