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Nina [5.8K]
4 years ago
6

Explain why cuboidal cells would not work as well as squamous cells in the alveoli of the lungs

Biology
2 answers:
guajiro [1.7K]4 years ago
8 0
The surfactant is produced by great alveolar cells (granular pneumonocytes, a cuboidal epithelia), which are the most numerous cells in the alveoli, yet do not cover as much surface area as the squamous alveolar cells (a squamous epithelium<span>).

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!



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valkas [14]4 years ago
6 0

Answer:

Cuboidal cells are thicker than squamous cells. Cuboidal cells are usually where a function of absorption or secretion is need.

Squamous cells are usually laid in a single layer making the layer thin. This is useful because this type of arrangement allows for diffusion to happen and its used where diffusion is the main type of transport. Remember that the rate of diffusion slows down with distance. In the lungs gas exchange needs to happen very fast to keep a constant supply of oxygen to the lungs. Cuboidal cells would be too thick.

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Suppose the North American plate is moving away from the Eurasian plate at a rate of 2 cm per year. The eastern-most point of No
Archy [21]

The correct answer is - 1,180 km.

North America and Europe move away from one another, though the two plates, the North American and Eurasian are merging together on the other side. Since the rate of moving away is 2 cm per year, and the current distance is 1,184 km between North America and Europe, the distance between them 200,000 years ago was 1,180 km.

To get to the result we only need to multiply the number of years with the annual movement

2 x 200,000 = 400,000

Than divide the result with 100,000, as that is how much cm are in one km

400,000 / 100,000 = 4

And we get 4 km, in this case 4 km less, thus the distance between the two, 200,000 years ago, was 1,180 km.

5 0
3 years ago
Why do you think eating beef and dairy from cows that are fed corn and soy has such a high environmental impact compared to eati
postnew [5]

Answer:

because it has more nutriants and helps them get fat more.

Explanation:

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4 0
3 years ago
Read 2 more answers
If Gray is dominant over black on flies. What are the 2 possible genotypes of Gray flies?cells
joja [24]

Answer:Gg and Gg

Explanation:G - Grey

g - Black flies

G is dominant over g . GG × gg

3 0
4 years ago
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The mesentery is a fused double layer of the parietal peritoneum that attaches parts of
kirill115 [55]

Answer:

True

Explanation:

The mesentery fans throughout the abdomen. It is attached to the abdominal wall and the intestines, to keep them in place. It also prevents the intestines from falling down or twisting inside the abdomen. They also help with fighting infection as they have lymph nodes as well.

5 0
3 years ago
When Mendel crossed a plant homozygous for round seeds to another plant homozygous for wrinkled seeds, he found that all the pro
gulaghasi [49]

Answer:

E

Explanation:

Gregor Mendel discovered the principles that governs heredity. In one of his experiments, he discovered that an organism receives two forms of a gene called ALLELE from each parent. He realized that one allele is capable of masking the expression of its variant pair in a gene. He called the allele that masks or is expressed, DOMINANT allele while the allele that is masked, RECESSIVE allele. He termed this principle the LAW OF DOMINANCE.

The above explained law of dominance is what applies in the question here. When the homozygous round allele and wrinkled allele were crossed, the allele for round seeds are dominant over the allele for wrinkled seeds (recessive) i.e. in a heterozygous state (combination of the different alleles), the round allele will mask the phenotypic expression of the wrinkled allele, expressing itself over it.

7 0
3 years ago
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