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Angelina_Jolie [31]
2 years ago
11

What’s the answer to this?

Biology
1 answer:
Nuetrik [128]2 years ago
5 0

dna unzips

Explanation:

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Your heart has four valves. Normally, these valves open to let blood flow through your heart, and then shut to keep it from flow
Ulleksa [173]

Regurgitation influences the flow of blood by mixing the oxygen-poor blood with the oxygen-rich blood. Due to this, the heart has to pump more to oxygenate the entire body, leading to the rapid, and fluttering heartbeat. The tissues get oxygenated but regurgitation could be fatal, as the heart cannot function overtime forever.  

Valve prolapse influences the flow of blood when the flow of blood backs up. This leads to an irregular or racing heartbeat. Even at certain occasions, the blood can flow back to the lungs. However, there is not a huge influence in the oxygenation of the body tissues.  

Stenosis makes the ventricles to pump overtime to get enough blood through, and in the process, the ventricles thicken. This functions for a while, however, it will result in heart failure as the heart cannot do it for entire life. The tissues are oxygenated, but it will be an issue due to overtime.  


7 0
3 years ago
Write a claim: Can mixtures be separated?<br><br> Please I need this done by tomorrow!!
aliina [53]

Answer:

Yes, mixtures can be separated using a variety of techniques.

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Are the frogs drinking water
lyudmila [28]

Answer:

No

Explanation:

Frogs absorb water through their skins, not consume it directly.

8 0
4 years ago
This branching tree diagram is most likely used to represent the theory that suggests
Ede4ka [16]

All species share a common ancestor and that change occurs over time

5 0
3 years ago
What is this ???? Who will solve it ?? Solve it quickly
Digiron [165]

Answer:

Gray (or Grey) Matter-the darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.

White Matter-he paler tissue of the brain and spinal cord, consisting mainly of nerve fibers with their myelin sheaths.

Explanation:

6 0
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