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Elenna [48]
3 years ago
14

Por que es importante el sistema respiratorio? (Importancia del sistema respirtorio)

Biology
1 answer:
Mamont248 [21]3 years ago
5 0
Los pulmones y el sistema respiratorio permiten la entrada del oxígeno del aire en el organismo, así como la expulsión de dióxido de carbono al espirar. La respiración es el término que se utiliza para denominar el intercambio de oxígeno procedente del entorno por el dióxido de carbono que se produce en las células.
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What human cell has the largest surface area to volume ratio? And what is the ratio
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The human cell has the largest surface area to volume ratio is Sperm cell or spermatozoa  and its ratio is 1.55

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The surface area of sperm cell is measured by micro-metric method or electron mircographs using stereo-logical method. While the volume will be measured by stereology or radio label volume exclusion method. The volume and surface area inversely proportional to cell size.

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What type of organism moves using cilia
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Paramecium move using cilia
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The proximal tubule of the nephron in the kidney is composed of
Dmitry_Shevchenko [17]

Answer:

The proximal tubule of nephron in the kidney is composed of single layer of cuboidal cells that are covered with striated borders.

Explanation:

Proximal tubules or proximal convoluted tubule is an important part of vertebrate kidney which is located between bowman's capsule and loop of Henle.

Proximal tubules are divided into 2 parts- Proximal convoluted tubules and Proximal straight tubules.

Proximal convoluted tubules are located entirely to the renal cortex and the Proximal straight tubules descend into the outer  medulla.

The major function of Proximal tubules are mainly absorption and secretion.

The proximal tubules helps to regulate the pH from the filtration and also causes sodium reabsorption that is driven by P type ATPase.70% re absorption of sodium takes place in the proximal tubules through active transport.

Moreover elimination of ammonia takes place through proximal tubules by breaking glutamine to alpha ketoglutarate.

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What characteristics of Earth results in different seasons over a period of a year?
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