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are The alveoli are small sacs within the lungs that act as filters?
Weegy: That is true User: if blood is separated into two main parts, is 50% platelets? User: Blood is separated into two main parts. Fifty percent of the blood consists of _____.? A) platelets B) white cells C) red cells D) plasma Weegy: Fifty percent of the blood consists of > plasma User: The average living adult has how many liters of blood? Weegy: The average living adult has 5?6 liters of blood. User: what is the protein found in red blood cells that give blood its color? User: What is the protein found in red blood cells that give blood its color? Weegy: Hemoglobin is the protein found in red blood cells that give blood its color. (More)
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Asked 11/19/2012 2:26:49 PM
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does Hypertension occurs when blood pressure is too high.
Weegy: Hypertension is the term used to describe high blood pressure. Blood pressure is a measurement of the force against the walls of your arteries as your heart pumps blood through your body. User: The prefix "cardio" refers to what? User: Which of the following blood vessels uses elasticity to push blood further along the bloodstream? A) Arteries B) Capillaries C) Varicose veins D) Atrioventricular node Weegy: Arteries use elasticity to push blood further along the bloodstream. User: The valves of the heart and veins are similar in that they both _____. A) prevent the back flow of blood B) act as propellers to move blood forward C) prevent blood from flowing too quickly D) are made of rigid cartilage Weegy: The valves of the heart and veins are similar in that they both prevent the back flow of blood..... (More)
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Asked 11/19/2012 2:34:02 PM
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The aorta is the most muscular and largest artery in the circulatory system. Its structure is directly related to its function of _____. User: The aorta is the most muscular and largest artery in the circulatory system. Its structure is directly related to its function of _____. A) delivering a large volume of blood to the right and left lungs B) delivering a large volume of high-pressure blood to the body C) receiving all of the deoxygenated blood from systemic circulation D) receiving large ...
Weegy: Function of the Aorta The aorta carries and distributes oxygen rich blood to all arteries. Most major arteries branch off from the aorta, with the exception of the main pulmonary artery. User: Cardiovascular health is not influenced by "bad" cholesterol (Low-Density Lipids). True False Weegy: That is False.... (More)
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Asked 11/19/2012 2:22:05 PM
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The aorta is the most muscular and largest artery in the circulatory system. Its structure is directly related to its function of _____.
Weegy: cardiovascular system (More)
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Asked 11/19/2012 2:18:56 PM
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what do capillaries do?
Weegy: Capillaries are tiny blood vessels connecting arteries to veins. The blood vessels carry oxygen and nutrients to all the individual cells in the body. [ The human capillary system is made up of arteries with their terminal branches (arterioles) and veins plus their tributaries (venules). Capillaries are the blood vessels that lead from the arterioles to the individual cells, and from the cells back to the venules. ] (More)
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Asked 11/19/2012 2:47:55 PM
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