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Which system is not necessary to an individual's life?

a)respiratory system
b)circulatory system
c)reproductive
d)digestive system

User Gdaras
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Answer:

c. reproductive

Step-by-step explanation:

an organism can live without the ability to reproduce, and reproductive organs can actually be removed with little affect on an organisms health. we cant live without the other options though.

User Jax Teller
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