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valina [46]
2 years ago
9

A structure in the arm of a human is found to carry oxygen poor red blood cells what else is most likely true about this strucru

re?
Biology
1 answer:
Debora [2.8K]2 years ago
5 0
It is a vein and it carries the blood back to the heart through the vena cavas so the blood can be reoxygenated
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I NEED HELP WITH BOTH OF THESE <br> PLEASE HURRY
kirza4 [7]

Answer:

18. Which four body systems interact to allow a person to sneeze:

F. Muscular, immune, nervous, respiratory.

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3 0
3 years ago
What is not a step in most scientific investigations
Mariulka [41]

Question options:

1. developing a hypothesis to explain collected data

2. proving a theory and writing a new scientific law  

3. collecting data through observation and measurement

4. observing and experimenting to test a hypothesis

Answer:

2. proving a theory and writing a new scientific law  

Explanation:

Providing a theory and write a new scientific law is not a step of scientific investigation. To prove a law a theory, its take many years of research.

There are steps of scientific investigations below,

1. Make an Observation.

2. Form a Question.

3. Form a Hypothesis.

4. Conduct an Experiment.

5. Analyze the Data and

6. Draw a Conclusion.

These step of scientific investigation does not include to write a theory and scientific law.

4 0
3 years ago
How were humans formed?
liq [111]

Answer:

Through the process of evolution

Explanation:

5 0
3 years ago
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natali 33 [55]
B, (layer C is the youngest layer) :)
4 0
2 years ago
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How are external respiration and internal respiration co-dependent?
lana66690 [7]

External respiration takes place in the lungs, where oxygen enters the blood and carbon dioxide enters the alveolar air. Internal respiration takes place in metabolizing tissues, where oxygen diffuses from the blood and carbon dioxide diffuses from the cells.

<h3>What is respiration?</h3>

Respiration is recognized as the movement of oxygen from the outside environment to the cells within tissues, as well as the removal of carbon dioxide in the opposite direction.

External respiration takes place in the lungs, where oxygen enters the blood and carbon dioxide enters the alveolar air.

Internal respiration takes place in metabolizing tissues, where oxygen diffuses from the blood and carbon dioxide diffuses from the cells.

Thus, in this way, external respiration and internal respiration are co-dependent.

For more details regarding respiration, visit:

brainly.com/question/12605249

#SPJ1

4 0
2 years ago
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