Multiple choice

Humans are made of several body systems which need to

  1. communicate with each other

  2. be exactly the same as each other

  3. work separately from each other

  4. avoid contact with each other
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Body systems must coordinate their activities to maintain the organism's overall health. Communication between systems allows them to respond appropriately to internal and external changes.

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