May I ask when this is due? The underlined is the answers.
1.) Let’s follow a droplet of blood through the circulatory system.
<u> Oxygen poor blood </u>blood is returned to the heart through the largest veins called the
2.) <u>superior vena cava (SVC) and inferior vena cava (IVC), </u>
3.) and It enters into the<u> heart</u>
4.) When this chamber contracts it goes through the <u>Right atrium valve</u>
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5.) into the <u>Left atrium value</u>
6.) Here it will pick up <u>Open tricuspid valve.</u>
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7.) The <u>Right ventricle.</u> return the blood to the heart where it will enter the...
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Ok, I did a lot do you think you can do the rest? I hope this helps.