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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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Updated 283 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 body B. dendrite C. axon D. terminal branches Weegy: A. cell body - dendrite - terminal branches - axon is the path of a nerve impulse through a neuron. User: Which of the following is a function of the nervous system? A. increasing cellular respiration in muscle tissues B. producing lactic acid in fatigued muscle tissues C. signaling muscle tissues to contract D. releasing ATP into contacting muscle tissues Weegy: B) signaling muscle tissues to contract User: What specialized neurons detect stimuli like light and sound? A. motor neurons B. axons C. thalamus and hypothalamus D. sensory receptors Weegy: D. sensory receptors Our SENSES detect stimuli like sound, temperature, touch, smell and light... User: The peripheral nervous system includes A. the cranial nerves and spinal nerves. B. all nerves and associated cells that are not part of the brain and spinal cord. C. the brain and spinal cord. D. only the brain. Weegy: The peripheral nervous system includes B. all nerves and associated cells that are not part of the brain and spinal cord. User: The lower leg jerks when struck just below the kneecap. Our eyes blink shut when an object moves quickly towards our face. These are examples of A. reflex reactions. B. short-term memory. C. sensory overload. D. learned responses. Weegy: A. reflex reactions. User: The myelin sheath on a neuron allows nerve impulses to be faster because A. neurotransmitter molecules are released in greater amounts. B. the myelin sheath covers the entire axon. C. nerve ... (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 202 days ago|5/31/2014 2:05:20 PM
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The FDA regulates all of the following except DRUGS OF ABUSE.

Added 202 days ago|5/31/2014 2:05:20 PM
This answer has been confirmed as correct, not copied, and helpful.
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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Updated 4/21/2012 9:21:03 PM
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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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