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Andreyy89
3 years ago
6

Please help! 25 points:)

Biology
1 answer:
ladessa [460]3 years ago
6 0

Answer:

D. IV -> III -> II -> I

Explanation:

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

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Explanation:

What are the three waves of an earthquake? Fastet to Slowest

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This is the Answer for this question :3

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3 years ago
What is the difference between the thermosphere and stratosphere ​
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Answer:

Explanation:

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Point mutations in noncoding regions of dna result in __________.
vladimir2022 [97]
<h2>Answer </h2>

Neutral Variation

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3 0
3 years ago
Cells import useful solids and fluids by ________________.
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Explanation:

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