Biology, 24.06.2019 16:30 smarty5187
How does the structure of the alveoli allow for its function of gas exchange? alveolar sacs produce mucus that makes gas exchange easier. alveolar sacs rely on valves to ensure that air flows only in one direction. alveolar sacs are located within muscles that contract, which increases gas exchange. alveolar sacs are surrounded by thin capillaries where gases can be exchanged.
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Biology, 22.06.2019 01:00
What element does susan b. anthony include in this passage to strengthen her argument?
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Biology, 22.06.2019 04:00
The tubes transporting minerals and water upward are called ?
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Biology, 22.06.2019 06:00
Duchenne muscular dystrophy is a serious condition caused by a recessive allele of a gene on the human x chromosome. the patients have muscles that weaken over time because they have absent or decreased dystrophin, a muscle protein. they rarely live past their twenties. how likely is it for a woman to have this condition? a) women can never have this condition.b) one-fourth of the daughters of an affected man would have this condition.c) one-half of the daughters of an affected father and a carrier mother could have this condition.d) only if a woman is xxx could she have this condition.
Answers: 2
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