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oee [108]
3 years ago
11

In animals, carbon dioxide waste is exchanged for

Biology
1 answer:
LUCKY_DIMON [66]3 years ago
3 0

Answer:

oxygen

Explanation:

  • Through the process of respiration , in lung the carbon dioxide from the blood is exchanged with oxygen.
  • The smallest dunctional unit if the lung is the alveoli
  • At this level the gases are exchange through the capillaries present close to the alveoli.
  • The concentration gradient ,meaning the greater amount of oxygen present in the lungs and greater amount of carbon dioxide in the blood creates a gradient that allow the movment of oxygen into the blood and carbon dioxide in the alveoli through the membrane .
  • Partial pressure created allows the easy movement .The carbon dioxide get into the trachea and expelled through nose and mouth.

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Answer:

differences in gene expression

Explanation:

: ) Hope this helps!

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3 years ago
harmful contamination of the environment by a chemical of agent entering it over a diffuse area is called
Musya8 [376]
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Biological anthropologists have observed several chimpanzees in western Africa making tools to help them hunt. The chimpanzees w
sladkih [1.3K]

Answer:(A) Paleoanthropology

Explanation:

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3 years ago
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Troyanec [42]

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3 years ago
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dybincka [34]
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Once double fertilization occurs in plants, the zygote is diploid and the endosperm is <span>triploid.</span>
4 0
3 years ago
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