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Zarrin [17]
3 years ago
6

explain how the structure and the function of squamous epithelium in the lung are important for gas exchange​(4 marks)​

Biology
1 answer:
Alex3 years ago
5 0
Squamous cells area one single layer and flattened, this allows for diffusion of oxygen and carbon dioxide to happen easily in the lungs.
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Some of the chemicals that make up living organism have only few structures (like DNA) other have many different structures (lik
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Answer:Proteins have many different functions, while DNA has limited functions.

Explanation:

Chemicals that make up the living organisms consists of more protein than DNA. This is because proteins have different functions while the function of DNA are limited. Excluding water and fat, the human body is made up almost entirely of protein. Most of the structural framework of the body such as bones, muscle, organs, skin and nails are made up of protein.

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Cytotoxic T cells can attack target cells with which of these chemical weapons?
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secrete a cytokine that triggers apoptosis

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3 years ago
awad k, young s, aswath p, varanasi v: interfacial adhesion and surface bioactivity of anodized titanium modified with sion and
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Interfacial adhesion and surface bioactivity of anodized titanium modified with SiON and SiONP surface coatings, The statement is correct.

<h3>what is adhesion ?</h3>

Adhesion is a type of attraction between two dissimilar phases, the theory of adhesion can be up two types mechanical interlocking and physical and chemical bonding and it is a combination of three methods.

Mechanical interlocking means when two dissimilar phases interact with  one another by mechanical forces, requires a rough surface where the other material can enter.

Physical bonding includes van der Waals forces and the strength  is rather weak and unable to contribute that much bonding strength.

Chemical bonding consist of covalent, ionic and metallic bonding which are more stronger than physical bonds and are responsible for cohesive forces.

chemical bonding between two dissimilar materials is  more complicated due to the presence of few available bonding sites.

Learn more about adhesion, here:

brainly.com/question/1466787

#SPJ4

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WILL MARK BRAINLIEST!!
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Answer:

the answer is:

sexual reproduction

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3 years ago
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