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The heart circulates the blood to all the ________ in the body. A. Muscles B. Capillaries C. Tissues D. Organs
Weegy: D. Organs 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. User: Diastole 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. 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 is the answer 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 is the answer 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 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 User: The brain is divided into the _______. A. Cerebrum B. Cerebellum C. Brain stem D. All of the above Weegy: A. Cerebrum 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. 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 User: Veins carry blood ________ the heart. A. Away from B. Towards C. Closer to D. All of the above User: Arteries carry blood ________ the heart. A. Away from B. Towards C. Closer to D. All of the ... (More)
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Asked 5/13/2012 11:20:40 PM
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How many STD cases are there each year? A. 30 million B. 15 million C. 1 million D. 500,000
Weegy: How many STD cases are there each year? A. 30 million User: For many with HIV, it takes more than ________ for symptoms to appear. A. 20 years B. 5 years C. 15 years D. 10 years Weegy: For many with HIV, it takes more than ________ for symptoms to appear D. 10 years (More)
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Asked 5/14/2012 1:05:03 AM
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In addition to the urinary tract, what is considered an excretory organ? A. Heart B. Skin C. Larynx D. Muscles
Weegy: Skin is considered an excretory organ. (More)
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Updated 8/25/2014 12:41:19 PM
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The endocrine system acts through chemical messengers called ________. A. Tissue B. Blood cells C. Neurotransmitters D. Hormones
Weegy: The endocrine system acts through chemical messengers called Hormones. User: ________ in the pancreatic islets secrete the hormone insulin in response to a high concentration of glucose in the blood. A. Beta cells B. Alpha cells C. Gamma cells D. Sigma cells (More)
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Updated 8/25/2014 12:42:08 PM
1 Answer/Comment
BETA CELLS in the pancreatic islets secrete the hormone insulin in response to a high concentration of glucose in the blood.
Added 8/25/2014 12:42:08 PM
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