Please help.
To which 2 systems does the heart belong:
A. Circulatory system and Respiratory system
B. Circulatory system and Muscular system
C. Circulatory system and digestive system
D. Circulatory system and Reproductive system

Respuesta :

Answer:

A

Explanation:

circulatoy system and respiratory

Answer:

A

Explanation:

;3

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