Part 6: Vasoconstriction and vasodilation are opposite reactions and refer to the diameter of the blood vessels. In vasoconstriction, the diameter gets smaller so that less blood can flow through the vessels. Vasodilation is the opposite. Observe the diagram provided.
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Biology, 22.06.2019 06:40
The first generation of offspring from the cross of two parents is called the a.f1 generation b.f2 generation c.short generation d.p generation
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Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Biology, 22.06.2019 11:00
What factors contribute to the effect an environmental toxin has on the human body?
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Part 6: Vasoconstriction and vasodilation are opposite reactions and refer to the diameter of the bl...
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