Question 35 - Science Practice Test for the HiSET Test

What is the main function of the system represented in the attached image?

35 and 36 human body system

https://pixabay.com/vectors/human-body-circulatory-system-311864/

to eliminate waste substances from the body
to exchange gases between the atmosphere and the body
to provide protection, movement, and support to the body
to transport materials throughout the body

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