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All of the following are excretory organs except the A. skin. B. lungs. C. heart. D. kidneys.
Weegy: All of the following are excretory organs except the heart. (More)
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Expert Answered
Updated 161 days ago|3/12/2014 4:32:03 AM
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All of the following are excretory organs except the A. skin. B. lungs. C. heart. D. kidneys.
Weegy: C. heart. User: In the kidneys both useful and wasteful substances are removed from the blood by A. reabsorption. B. excretion. C. filtration. D. respiration. Weegy: C. filtration. (More)
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Asked 4/21/2012 6:16:28 PM
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Cells that relay information gained from the environment to the brain are called A. chondrocytes. B. neurons. C. fibroblasts. D. macrophages.
Weegy: B. neurons. User: The peripheral nervous system connects the body to the A. autonomic nervous system. B. hypothalamus. C. upper brain stem. D. brain and spinal cord. User: During a knee-jerk reflex the nerve impulse is received by the A. thalamus. B. brain. C. spinal cord. D. spinal cord then the brain. Weegy: C. spinal cord User: Which structure in the neuron transmits information to another neuron? A. cell ... (More)
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Asked 4/21/2012 6:39:10 PM
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The FDA regulates all of the following except: A. supplements B. drugs of abuse C. prescription drugs D. over-the-counter drugs
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Updated 81 days ago|5/31/2014 2:05:20 PM
1 Answer/Comment

The FDA regulates all of the following except DRUGS OF ABUSE.

Added 81 days ago|5/31/2014 2:05:20 PM
Which of the following best describes carcinogens? A. Carcinogens are completely safe. B. Carcinogens stimulate the brain's reward system. C. Carcinogens are chemicals known to cause cancer. D. Carcinogens block oxygen from getting into the bloodstream.
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Not Answered
Updated 4/21/2012 9:21:03 PM
1 Answer/Comment
Answer is C. Carcinogens are chemicals known to cause cancer.

Source:
southcobbhs.typepad.com/files/tobacco-pp-2.ppt
Slide No. 6
Added 4/21/2012 9:21:03 PM
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