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Serggg [28]
3 years ago
12

What is the opposite of nervous system

Biology
1 answer:
kondor19780726 [428]3 years ago
6 0
Nervous system is divided into parasympathetic and sympathetic
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When a drug enters the body via oral ingestion, smoking, snorting, or injection, the chemicals move through the bloodstream and
Anna007 [38]

Answer:

Blood Brain Barrier(BBB)

Explanation:

This is a biological interface of special endothelial cells of astrocytes, pericytes , capillaries,  neurons and other  structures, acting as a physical barrier or  gate separating the Central Nervous system from the peripheral  blood circulations. Thus it  formed a tight junction serving as a  physical barrier to  selectively regulate the entrance of substances from the   cerebral blood flow   into the brain,  therefore maintaining homeostasis of the brain.

From above any  substances  absorbed into the blood stream  irrespective of the mode of entry  are transported through  the BBB, and  are selectively  regulated to enter the brain cells by the BBB's   interactions with the blood vessels, hormones etc.

Basically it allows the passage of nutrients,  a few  drug, hormones and resists certain toxins and pathogens for the brain homeostasis.

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The spanish fly is a species of what insect
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The Spanish fly is a species of a beetle `

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1pt Salts dissociate into component ions when placed in
dexar [7]

Answer:

D. Water

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the covalent bonds of water are stronger than the ionic bonds in the salt molecules so they dissolve.

8 0
2 years ago
Which term describes the movement of alleles into and out of a population
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Explanation:

HPV DNA replication during its life cycle occurs in three separate phases (reviewed in [1, 2]). After viral entry into the cell nucleus and the activation of viral gene expression, the viral genome copy number increases to several hundred copies per cell during the initial phase of genome amplification.

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