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Orlov [11]
3 years ago
13

Mercury is a heavy metal that occurs naturally in minerals and rocks. Release of mercury from natural sources has been relativel

y constant over time. However, anthropogenic release of mercury has increased significantly in recent years primarily due to increased fossil fuel mining and combustion. Mercury that is released into the air eventually ends up in soils or surface water. Once in water, microbes convert mercury into methyl mercury, which is absorbed quickly and concentrated in the tissues of predatory fish such as shark and swordfish. Large fish typically concentrate more mercury than small fish. People who eat fish with high methyl mercury concentrations can show tremors, deafness, muscle dysfunction, and attention deficits. Pregnant women and children are especially sensitive to methyl mercury's toxic effects. Learning disabilities and developmental delays are common in children who have been exposed to significant levels of methyl mercury. Based upon the specific health effects described above, mercury would be best classified as a ________.
Biology
1 answer:
jeka57 [31]3 years ago
6 0

Answer: Neurotoxin

Explanation:

The neurotoxin is a substance which alters the function as well as the structure of the nervous system. Mercury is a type of neurotoxin. This is caused by the exposure to the mercury. The long term exposure to mercury affects the functioning of the brain. This affects the motor and muscular coordination as an effect of mercury poisoning.

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Excitatory neurotransmitters influence the receiving neuron to _____, whereas inhibitory neurotransmitters influence the receivi
Viktor [21]

Excitatory neurotransmitters cause the neuron to fire, and Inhibitory neurotransmitters cause the neuron not to fire.

Impulses are the signals passed from one neuron to another on the action of a stimulus. The impulses passed can be electrical or chemical. Neurotransmitters are the chemical molecules that help in the transfer of impulses between two neurons.

Chemicals like epinephrine, norepinephrine, and glutamate when released from the synaptic cleft of one neuron activate the receptors of other neurons, thereby initiating the other neuron to fire. These chemicals are called excitatory neurotransmitters.

Chemicals like GABA and glycine, when released from the synaptic cleft of one neuron do not activate the receptors of other neurons and hence the neurons will not fire the impulse. These chemicals are called inhibitory neurotransmitters.

To know more about neurotransmitters, visit

brainly.com/question/26387085

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8 0
1 year ago
What is meant by the phrase Dark side of the moon
marshall27 [118]
The portion of the Moon's surface that cannot be directly observed from Earth
3 0
3 years ago
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Essay : What is the impact of pandemic on climate change and vice versa?​
Mademuasel [1]

Answer:

.

Explanation:

To explain the last sentence, what I mean by that is the sudden decrease in air pollution in just a few weeks is what would have typically taken multiple years to do. Due to less drivers, factories shutting down, and more, less toxic and infirm mental hazardous chemicals were released into the atmosphere in an extremely short amount of time. However, nowdays, it is almost back to where is was before the pandemic.

6 0
2 years ago
The particles in a hot pan have ____________ kinetic energy than the particles in a cool oven mitt.
aleksandrvk [35]
The particles in a hot pan have greater kinetic energy than the particles in a cool oven mitt.

This is because as the temperature of an object increases, the particles gain more energy and therefore move faster, increasing kinetic energy.

I hope this helps, feel free to ask any questions you may have
7 0
3 years ago
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Which one of these is not a characteristic of a hypothesis?
weqwewe [10]

Answer:

Uhh-

Explanation:

Bruh there's no pic so ... I dunno lol. Just in case this helps you, hypothesis means an educated guess. There's different meanings, for science it's an idea. But mostly it means guessing.

I didn't help Ik XD

And

Sorry

I

Couldn't

Helppp

.............

:(

3 0
3 years ago
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