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Mrrafil [7]
3 years ago
15

How is skin cell relate to its function

Biology
1 answer:
makkiz [27]3 years ago
7 0

Answer:

Skin serves as a protective barrier, a way to sense the world, and a layer that keeps nutrients and water inside the body.

Explanation:

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How does human activity impact Earth's systems such as deforestation
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Answer: Land, Water,Urbanization, and smog and acid rain.

Explanation:

Smog and acid rain are produced through similar sources, primarily vehicle and industry emissions. Though both result from human-caused air pollutants, there are chemical distinctions between the two. Though there are regulations in effect to reduce both types of pollution, they remain a threat to both human health and the environment.Smog Causes A combination of three components -- nitrogen oxides, volatile organic compounds (VOCs) and sunlight -- causes smog. Nitrogen dioxide interacts with sunlight to create nitrogen oxide and a free oxygen molecule. This interaction produces ozone, which typically turns back into nitrogen dioxide, and the cycle repeats. The addition of VOCs interrupts the cycle, however. VOCs are produced by various sources, such as paint, cleaning products and refrigerants. The VOCs prevent the breakdown of ozone, allowing it to gather near the surface of the Earth, where even more nitric oxides are produced by vehicle and industry emissions, creating the dense smog seen in large cities such as Los Angeles and Beijing.Smog Hazards The presence of ozone in the form of smog can have several negative health effects. Respiratory systems can be irritated, reducing overall lung function and triggering asthma attacks. Evidence reported by the Environmental Protection Agency also suggests exposure to ozone reduces immune system responses, especially in the lungs. These effects subside over time, but little is known about the long-term effects of repeated exposure. Vegetation also suffers from smog, as plants that take up too much ozone can be damaged in ways such as discoloration and a loss of leaves that cuts photosynthesis efficiency by up to 50 percent.

6 0
3 years ago
Your science teacher assigns you to complete a presentation on DNA with a group of fellow students. The project requires writing
igor_vitrenko [27]

Answer:

discover group member skills and assign roles

Explanation:

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3 years ago
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I need to know the answers asap
Kamila [148]
The first is reflection of moonlight
4 0
3 years ago
What have you learn about atoms and the universe
igor_vitrenko [27]

Answer:

Atoms are the basic units of matter and the defining structure of elements. The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided. We now know that atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks.

Atoms were created after the Big Bang 13.7 billion years ago. As the hot, dense new universe cooled, conditions became suitable for quarks and electrons to form. Quarks came together to form protons and neutrons, and these particles combined into nuclei. This all took place within the first few minutes of the universe's existence

4 0
3 years ago
Giving brain liest for who ever does all, IN YOUR OWN WORDS< please and thak you i am giving brain liest :) i need a pro to h
Anna71 [15]

Answer:

1) Not as it were does breathing give your body with essential oxygen, but it too frees the body of squander like carbon dioxide. To urge freedom of carbon dioxide, your blood conveys it to the capillaries encompassing your alveoli. Within the alveoli, the carbon dioxide moves into the lungs, where it takes off the body once you exhale.

2) The stomach is the dome-shaped sheet of muscle and ligament that serves as the most muscle of breath and plays a crucial part within the breathing preparation. Moreover known as the thoracic stomach, it serves as an imperative anatomical point of interest that isolates the thorax, or chest, from the guts. It contracts ceaselessly as you breathe in and out.

3) Discuss at that point voyages down the pharynx and larynx, through the trachea, and into the lungs. Within the lungs, discuss passes through the branching bronchi, coming to the respiratory bronchioles. The respiratory bronchioles open up into the alveolar conduits, alveolar sacs, and alveoli.

4) Gas trade takes put within the millions of alveoli within the lungs and the capillaries that wrap them. As appeared underneath, breathed in oxygen moves from the alveoli to the blood within the capillaries, and carbon dioxide moves from the blood within the capillaries to the discuss within the alveoli.  The dividers of the alveoli share a film with the capillaries. That's how near they are. This lets oxygen and carbon dioxide diffuse, or move openly, between the respiratory framework and the circulatory system. Oxygen particles join to ruddy blood cells, which travel back to the heart.

5) After you have pneumonia, it's conceivable for your lungs to fill with liquid. In case that happens, they won't be able to exchange sufficient oxygen to your blood or get freed of the carbon dioxide in your blood. It's a genuine condition since your organs require oxygen to work.

Tried my best. Hope this helps :)

-ilovejiminssi

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3 years ago
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