Answer: b. effector organ.
Explanation: An effector organ is an organ that responds to the information from the CNS. The effector can release a hormone or it can move a body part in response to a stimulus.
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The answer is muscle tissue
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I am very sorry if this incorrect
Yes, they do(True). steroids are related to a characteristic molecular structure composed of 17 carbon atoms—arranged in four rings conventionally denoted by the letters A, B, C, and D—bonded to 28 hydrogen atoms.