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Genrish500 [490]
3 years ago
11

What is the responsibility of the respiratory system?

Biology
1 answer:
iren [92.7K]3 years ago
3 0
The human respiratory system<span> is a series of organs </span>responsible<span> for taking in oxygen and expelling carbon dioxide. The primary organs of the </span>respiratory system<span> are lungs, which carry out this exchange of gases as we breathe.</span>
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The sea dog francis drake sailed along the coast of _______
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Answer: West African Coast

Explanation:Hawkins sailed with his cousin (and soon-to-be Sea Dog) Francis Drake to the West African coast in order to capture slaves for trade in the Caribbean and South America, privateering along the way.

6 0
2 years ago
The ability of your body's immune system to distinguish between your cells
KatRina [158]

Answer:

<em>The correct option is cell surface markers.</em>

Explanation:

The immune cells of our body detect foreign particles and generate responses so that our body can get rid of them. The foreign particles are often termed as antigens.

The immune cells such as antibodies possess cell surface receptors which detect the foreign objects or antigens. When the cell surface receptors detect any antigen they immediately recognize that a foreign particle has invaded the body and they then identify it and start to generate response.

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Olenka [21]

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B

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7 0
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Which stage in the process of making a protein should be inserted into Step 3? 1. DNA in the nucleus contains information to cod
vovangra [49]
If this is your question 
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PLEASE HELP FAST!!
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Answer:

C

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