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Roman55 [17]
4 years ago
11

Describe the role of the Circulatory/Cardiovascular system in helping the body rid of carbon dioxide

Biology
1 answer:
Alinara [238K]4 years ago
5 0

Answer:

The circulatory system comprises of blood vessels which help in removing carbon dioxide from the body. The carbon dioxide produced by the cells is collected by the capillaries  where the carbon dioxide gets dissolved in the blood. This blood is carried to the heart via the veins. The heart pumps the deoxygenated blood to the lungs where gaseous exchange occurs between the blood capillaries and the alveoli of the lungs. When we exhale, the carbon dioxide is breathed out.

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What description best explains why viruses can become more pathogenic to host that were not affected by the virus before?
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Answer:

New cells are naive to the infectious cells who attack it or they are not well prepared to deal with the different scenarios. But, the cells who are attacked before has the set or sequence of the viral or bacterial genome strand been identified by them, which leads to more safety or protection from these foreign bodies.

Explanation:

  • Mechanism To attack a host cell:

The viruses and other infectious material enters and attacks the host cell, by breaching its membrane wall and installing or leaving a gene of its own inside the cell. Which then combines with the genome of the cell and it goes through the process of replication, translation etc,along with the host cell machinery. Which then spreads the specific gene strand more in the environment

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After the genome enters the host cell at first it does not recognizes the strands or foreign cells, as they cover there body with a camouflage sort of membrane and they look more like the body cells.

  • <u>Reactions by the host cell and as a whole the body:</u>

The organisms detects the genome of the infections cells or strand, as they store the data about it in its server or database. As if the next time they were under attack then precautions will be there by the host cell to deal with it.

As for the cell who are never attacked before will be less safe to deal with these foreign bodies.

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What is the process of adding foreign dna to a bacterial cell called?
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<em>I belive the answer should be B) Mitochondaria produce APT molecules via cellular respitation.  </em>

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<em>I hope this help you!  </em>

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<em>Thanks,</em>

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<em>Plz give me brainliest.  </em>

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<em>Thank you for letting me answer you.</em>

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