Biology, 24.08.2019 20:20, maytce7237
The umbilical artery carries blood from the fetus to the placenta and the umbilical vein carries blood from the placenta to the fetus. how does the composition of the blood in the umbilical artery and the umbilical vein differ?
a. blood in the umbilical artery contains less glucose than blood in the umbilical vein.
b. blood in the umbilical artery contains less carbon dioxide than blood in the umbilical vein.
c. blood in the umbilical vein contains less oxygen than blood in the umbilical artery.
d. blood in the umbilical vein contains more urea than blood in the umbilical artery.
Answers: 1
Biology, 21.06.2019 22:00, chloerodgers56
An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?
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Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
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The umbilical artery carries blood from the fetus to the placenta and the umbilical vein carries blo...
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