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marin [14]
3 years ago
9

A/an _____ is the removal of the vitreous fluid of the posterior chamber of the eye and replacing it with a clear solution.

Health
1 answer:
vitfil [10]3 years ago
4 0
A Vitrectomy is the removal of the vitreous fluid of the posterior chamber of the eye and replacing it with a clear solution. This is often done in the posterior chamber because the vitreous humor sometimes get tangled with other major parts of the eye. 
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Which is an indication of vigorous activity?
Anestetic [448]

Answer:

Heavy breathing

Explanation:

U know when u are doing a heavy job u feel like u can't breathe normally till u rest a little bit

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Match the following drugs with their descriptions. 1. increase the activity of the central nervous system depressants 2. reduce
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1. stimulants - such examples would be cocaine, caffeine and methamphetamine

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SAUNDERS
Leno4ka [110]

Answer:

I'd say 4 and 5. I'm guessing.

Explanation:

3 0
2 years ago
Write 3-4 paragraphs comparing and contrasting arteries and veins.
Levart [38]
I'm not going to fully write out <span>3-4 paragraphs but I will give you some information to start out with :) I greatly enjoy doing research and writing about the things I have learned. 

Arteries:
Arteries are </span>any of the muscular-walled tubes forming part of the circulation system by which blood (mainly that which has been oxygenated) is conveyed from the heart to all parts of the body. <span> Each artery is a muscular tube lined by smooth tissue and has three layers. These are the three layers and their purpose. 
*The i</span>ntima-T<span>he inner layer lined by a smooth tissue called endothelium
</span>*The media- A<span> layer of muscle that lets arteries handle the high pressures from the heart
*</span>The adventitia-Connective tissue anchoring arteries to nearby tissues


Veins<span> are </span>blood vessels<span> that carry </span>blood<span> toward the </span>heart<span>. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the </span>pulmonary<span> and </span>umbilical veins<span>, both of which carry oxygenated blood to the heart. In contrast to veins, </span>arteries<span> carry blood away from the heart.
</span>Veins are classified in a number of ways, including superficial vs. deep, pulmonary vs. systemic, and large vs. small.
<span>
*Superficial veins are those closer to the surface of the body, and have no corresponding arteries.
</span><span>*Deep veins are deeper in the body and have corresponding arteries.
</span><span>*Perforator veins drain from the superficial to the deep veins. These are usually referred to in the lower limbs and feet.
</span><span>*Communicating veins are veins that directly connect superficial veins to deep veins.
*P</span>ulmonary veins<span> are a set of veins that deliver oxygenated blood from the </span>lungs<span> to the heart.
*</span><span>Systemic veins drain the tissues of the body and deliver deoxygenated blood to the heart.

I hoped this helped and gave you some useful information. Good luck, I hope you do well on your assignment :) ~Sadie 

</span><span /><span>
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7 0
3 years ago
How is the y chromosome different from the x chromosome?
Novay_Z [31]

Answer:

y chromosome is responsible to determined the sex of the child

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