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Aleksandr [31]
3 years ago
11

Distinguish between internal and. external respiration

Biology
1 answer:
Elena-2011 [213]3 years ago
3 0
External respiration is the exchange of O2 and CO2 between the body and the environment. It involves moving air in and out of the lungs and the exchange of gases between the alveoli and the blood capillaries. The gases must also be exchanged between the blood capillaries and the cells of the body. This is called internal respiration
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What do you think is the most important reason for learning about environmental systems?
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8 0
3 years ago
Read 2 more answers
What are the 4 different types of bases in DNA and how do they pair?
Radda [10]

Answer:

the 4 different types of bases - adenine, thymine, cytosine, and guanine

adenine always pairs with thymine, and cytosine always pairs with guanine.

(dont know how they pair)

Explanation:

8 0
3 years ago
Acylhomoserine lactones used in quorum sensing regulate their own synthesis by a(n) _________ system. Multiple Choice riboswitch
zmey [24]

Acylhomoserine lactones used in quorum sensing regulate their own synthesis by an autoinduction system.

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learn more about Acylhomoserine here: brainly.com/question/14452252

#SPJ4

7 0
2 years ago
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