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What basic structures of the nervous system innervate the muscles of the respiratory system and are responsible for controlling and regulating pulmonary ventilation?

asked Jan 6 in Science by SabineJoseph (370 points)

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What basic structures are the site of all the life functions of an organism?

asked Jan 6 in Science by BennyCrain61 (510 points)

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What basic structures are called the building blocks of life and comprise all living things?

asked Jan 6 in Science by Carl93741111 (470 points)

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What basic structure holds plants upright, bears leaves and other structures, and transports fluids between roots and leaves?

asked Jan 6 in Science by AnyaThayer34 (370 points)

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What basic cell structure is made up of a phospholipid bilayer and two layers of phospholipid molecules?

asked Jan 6 in Science by WiltonVeitch (630 points)

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What attracts the earth to the sun?

asked Jan 6 in Science by GilbertKroll (690 points)

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What attaches a muscle to a bone?

asked Jan 6 in Science by Nate50Q22179 (370 points)

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What atoms make up a water molecule?

asked Jan 6 in Science by YDIPedro362 (670 points)

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What atmospheric layer lies above the highest altitude an airplane can go and below the lowest altitude a spacecraft can orbit?

asked Jan 6 in Science by JoannSalerno (450 points)

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What asymmetrical organ has four chambers and, in humans, is about the size of a clenched fist?

asked Jan 6 in Science by Mavis67D147 (480 points)

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What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system?

asked Jan 6 in Science by JensW5136048 (410 points)

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What astronomical phenomenon is often comprised of remnants of the earliest material that formed in the solar system?

asked Jan 6 in Science by CheriFrw2570 (230 points)

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What aspect of beryllium allows it to absorb x-rays?

asked Jan 6 in Science by Ellie24R7717 (450 points)

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What artificial process involves making an exact copy of a gene?

asked Jan 6 in Science by GudrunCollea (430 points)

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What arteries carry oxygen-poor blood away from the heart to the lungs?

asked Jan 6 in Science by JoniM4238303 (350 points)

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What areas of the planet are most birds native to?

asked Jan 6 in Science by LawannaPraed (450 points)

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What area beneath the earth's surface do magma collects?

asked Jan 6 in Science by LeliaMcCann8 (550 points)

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What are xylem and phloem responsible for transporting to the cells of leaves?

asked Jan 6 in Science by Shanice62T06 (470 points)

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What are winds that blow over a limited area called?

asked Jan 6 in Science by Mavis67D147 (480 points)

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What are waves that pass a fixed point in a given amount of time called?

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