Alveoli is the answer.
<span>In humans, once carbon dioxide reaches the capillaries in the lungs, it is diffused into the Alveoli.
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the type of sexual structure they form
Subduction zone
Explanation:
The feature created at the convergent of two oceanic crust having the same density is a subduction zone.
A subduction zone is covergent margin in which two plates pulls together and one goes under the other.
- Oceanic crusts are denser than the mantle below,
- When convergent occurs between them, one of the two plates will simply go into the mantle.
- This results in the formation of a subduction zone.
learn more:
Descending lithosphere brainly.com/question/9582362
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The outer core<span> of the Earth is a fluid layer about 2,300 km thick and composed of mostly iron and nickel. It that lies above Earth's solid inner </span>core<span> and below its mantle. </span>
A contact lens is a lens placed on the cornea of the eye.
Importance of buffers in contact lens products:
Buffers: They aim to keep the pH of the solutions at values between 6.6 and 7.8 in order to maintain the lens parameters and the effectiveness of the solutions. They are made by the combination of an acid and its sodium salt (phosphate and acetate for example). Borate and citrate buffers are used.
Importance of isotonicity in contact lens products:
The solution composed by isotonic saline solution.
Isotonia is expressed by osmolarity or cryoscopic lowering
- 0.236 to 0.446 mOsmoles / l (increases during the day)
- If the osmolarity of the mixture is different from that of the tears, it causes discomfort and irritation
• Increased tear secretion
• Increase the blink frequency
- If hypotonia, entry of water to the epithelial cells, if hypertonia: inverse
- Osmolarity restored 1 or 2 minutes after instillation
