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There are 4 valves contained inside the heart
- 2 atria ventricular valves the tricuspid and the  bicuspid TRI BEFORE YOU BUY
- Pulmonic valve
- aortic valve

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Still unsure the uses of the vena cava and why there is a superior and inferior

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Arteries carry the oxygen-rich blood away from the heart to the body.
Veins carry blood low in oxygen from the body back to the heart.

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ECG is electrical
Cardiac cycle is mechanical

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Does the right side of the heart pump blood to the lungs? And the left side to the body?

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right and left coronary artery

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Unsure about the four compartments. Left and right atria and ventricle, and where abouts they pump blood throughout the body,

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Not to sure about what these do and where they are located

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Not to sure about heart cells and which cells do what

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Pls explain the Calcium plateau again and what is the relevance/significance with the functioning of the heart

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How would a defibrillator work with the heart?

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why are arteries and veins composed of 3 tunics but capillaries are composed of 1 tunica

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Why is blood pressure measured in mmHg - Ambrosia

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What is a Tunica

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what is the relationship between blood flow and blood pressure? 

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what is the relationship between blood flow and blood pressure? 

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do veins carry deoxygenated blood back to the heart?  

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do veins carry deoxygenated blood back to the heart?  

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what causes a decrease in blood pressure? 

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what causes a decrease in blood pressure? 

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What is compliance vs elasticity mean in the lungs? 

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What is compliance vs elasticity mean in the lungs? 

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How does the kidney make concentrated urine? 

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How does the kidney make concentrated urine? 

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From distal convoluted tubule, the filtrate first goes through collecting duct or minor calyces ?

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From distal convoluted tubule, the filtrate first goes through collecting duct or minor calyces ?

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Why can humans live with 1 less kidney?

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the seminal fluid

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Can you explain the steps of mitotic cell division?

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Can you go into anymore detail on the seminiferous tubules? 

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Can you go into anymore detail on the seminiferous tubules? 