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Q: What organs make up the central nervous system? A. Heart B. Brain and spinal cord C. Lungs D. Liver
A: The central nervous system is made up of the brain and spinal cord.
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Original conversation
User: What organs make up the central nervous system? A. Heart B. Brain and spinal cord C. Lungs D. Liver

Weegy: The central nervous system is made up of the brain and spinal cord.
cha97mw|Points 1146|

User: The cardiovascular system is also known as the ________. A. Blood pathway system B. Heart gateway system C. Circulatory system D. Vascular crossings system

Weegy: The cardiovascular system is also known as the : C. Circulatory system
sujaysen|Points 2723|

User: Blood is considered to be ________. A. Alive B. Lifeless C. Unconscious D. None of the above

Weegy: A. Alive
cocomae|Points 80|

User: The heart circulates the blood to all the ________ in the body. A. Muscles B. Capillaries C. Tissues D. Organs

Weegy: The answer is B. Capillaries. The heart circulates the blood to all the B. Capillaries in the body.
businesslady|Points 1013|

User: Systole is the ________ phase of the cardiac cycle. A. Contraction B. Relaxation C. Monitoring D. Termination

Weegy: A. Contraction. Systole is the contraction phase of the cardiac cycle.
migzptz|Points 6813|

User: Diastole is the ________ phase of the cardiac cycle. A. Contraction B. Relaxation C. Monitoring D. Termination

Weegy: the answer is B. Relaxation
pritilixious|Points 218|

User: Neurons carry out the functions of the nervous system by conducting ________. A. Nerve stimulation B. Nerve tissue development C. Nerve impulses D. All of the above

Weegy: C. Nerve impulses
pritilixious|Points 218|

User: The three basic parts of a neuron include ________. A. Soma, dendrites, axons B. Dendrites, cell body, neurotransmitters C. Axons, dendrites, neurotransmitters D. None of the above

Weegy: The three basic parts of a neuron include : C. Axons, dendrites, neurotransmitters.
sujaysen|Points 2723|

User: The pulmonary circuit and the ________ circuit make up the blood vessels of the body.The pulmonary circuit and the ________ circuit make up the blood vessels of the body. A. Capillary B. Flexible C. Blood D. Systemic

Weegy: The pulmonary circuit and the ________ circuit make up the blood vessels of the body. D. Capillary
chinggay_0118|Points 346|

User: Arteries carry blood ________ the heart. A. Away from B. Towards C. Closer to D. All of the above

Weegy: The vessels that carry blood away from the heart are called the Arteries. The answer is A. Away from
janice041206|Points 20|

User: Veins carry blood ________ the heart. A. Towards B. All of the above C. Away from D. Closer to

User: The capillaries, the smallest and most ________ of the blood vessels A. Expansive B. Diverse C. Powerful D. Numerous

Weegy: D. Numerous. Capillaries, which are the smallest and most numerous blood vessels in the human body
Shanaaz1986|Points 480|

User: The walls of veins have the same three layers as the ________. A. Arteries B. Capillaries C. Tissue D. Soma

Weegy: A. Arteries. The veins outer walls have the same three layers as the arteries
migzptz|Points 6813|

User: Almost ________ of the total blood volume is in the veins at any given time. A. 30% B. 50% C. 70% D. 90%

Weegy: C. 70% percent of the total blood volume is in the veins at any given time.
sujaysen|Points 2723|

User: The brain is divided into the _______. A. Cerebrum B. Cerebellum C. Brain stem D. All of the above

Weegy: A. Cerebrum
sipichapie|Points 4632|

User: The spinal cord serves as a conduction pathway for impulses going to and from the ________. A. Lungs B. Liver C. Brain D. Heart

Weegy: C. Brain
smp0784|Points 3902|

User: The autonomic nervous system manages our ________. A. Heart rate B. Blood pressure C. Body temperature D. All of the above

Weegy: D. All of the above
rachell028|Points 822|

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Asked 10/8/2012 12:55:31 PM
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Muscle contraction
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Updated 4/13/2016 7:44:45 PM
1 Answer/Comment

Muscle contraction is the activation of tension-generating sites within muscle fibers.

Added 4/13/2016 7:44:45 PM
This answer has been confirmed as correct and helpful.
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