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Author Question: The endothelium lining of the heart chambers and valves is called the: a. endocardium c. ... (Read 70 times)

kamilo84

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on: Jul 22, 2018
The endothelium lining of the heart chambers and valves is called the:
 
  a. endocardium c. myocardium
  b. epicardium d. pericardium

Question 2

Upon examination, a normal umbilical cord should contain:
 
  a. one artery and one vein c. two arteries and one vein
  b. one artery and two veins d. two arteries and two veins


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shaikhs

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Reply #1 on: Jul 22, 2018
Answer to Question 1

A
The endocardium is made of endothelium cells that line the inside of the heart and valves and is continuous with the endothelial lining of the vessels of the circulatory system.

Answer to Question 2

C
Oxygenated blood comes from the placenta and enters the fetus at the umbilicus, through the umbilical vein. Blood moves through fetal circulation, and two umbilical arteries return blood to the placenta to be oxygenated.


kamilo84

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Reply 2 on: Jul 22, 2018
Excellent

nanny

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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