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The cardiovascular system is made up of what two systems: a) Circulatory system and respiratory system b) Digestive system and Endocrine system c) Nervous system and circulatory system d) Muscular system
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The cardiovascular system is made up of what two systems:

a) Circulatory system and respiratory system

b) Digestive system and Endocrine system

c) Nervous system and circulatory system

d) Muscular system and endocrine system

User Gabriel Riba
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1 Answer

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A because respiratory = lungs and circulatory = heart.
User Hadi Mostafapour
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