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Marta_Voda [28]
3 years ago
13

Why is it important that the heart and lungs kept healthy

Biology
1 answer:
Genrish500 [490]3 years ago
4 0

Essentially, when you breathe in the lung take in oxygen and pass it along to the bloodstream, which brings it to your bodies cells. In return it picks up carbon dioxide, which the lungs dispose of. Every time you breathe this process is happening. That is why it's crucial to keep your lungs healthy.

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Why are dead or weakened viruses used instead of normal viruses to create a vaccine?
vodomira [7]
I think its because vaccines are just to help your body learn how to fight off the virus, it’s not to actually give you the virus. Hope this helped!
5 0
3 years ago
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Below are two chemical equations. One is for cellular respiration and one is for photosynthesis. Correctly place the reactants a
Gnoma [55]

Answer:

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Hope that helps.

5 0
3 years ago
Which correctly lists the three gases that are part of Earth’s cycles in both the atmosphere and biosphere? radon, carbon monoxi
serg [7]

The three gases that are part of Earth’s cycles in both the atmosphere and biosphere are:

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<h3>Explain your answer?</h3>

The oxygen,  nitrogen, and carbon dioxide are the three gasses that are constantly moving through the atmosphere and biosphere in their own respective cycles.

The oxygen is used by the animals for breathing, but it is also released as a byproduct by the producers. The nitrogen is used as a food source for the producers, as well as the carbon dioxide which is crucial for the process of photosynthesis.

Thus, Part of them is released through decomposition, part by releasing them in the atmosphere or in the soil.

To learn more about gases click here:

brainly.com/question/1369730

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8 0
2 years ago
Explain why there are more substances on Earth than are listed on the periodic table of elements.
bixtya [17]

The periodic table only accounts for elements.  It does not account for compounds, such as water.

6 0
3 years ago
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What are gross primary production and net primary production and how do they dilter? Why is this an important measure?​
Reptile [31]

Answer:

food stuff and building materials

Explanation:

why is because the produce food stuff more than buidling materials

4 0
2 years ago
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