Biology Journal 2/10/2014. Whenever blood enters the heart (either side), what do we call the chamber does it go into first? Where does it go second? What does it leave through?. Biology Journal 2/11/14. What do you think could happen to you if your blood suddenly lost all of its….
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Whenever blood enters the heart (either side), what do we call the chamber does it go into first? Where does it go second? What does it leave through?
What do you think could happen to you if your blood suddenly lost all of its…
White blood cells
Red blood cells
December 12, 1799: George Washington catches pneumonia after riding on horseback in the freezing rain.
George Washington dies that night
“I’m suing for medical malpractice.”
What colors does blood have?
Where does blood go from being deoxygenated to oxygenated?
Some hospitals will pay money for plasma. Why would hospitals want to have a lot of plasma on hand?
Clots are good, but they can still have bacteria in them, leading to infection. Before antibiotics, the best way to ensure that a wound wouldn’t get infected would be to burn it shut, or cauterize, it.
Where do you think the original wall of the artery was?
How big is the opening now?
What are blood clots made out of?
A region of myocytes (muscle cells) called the sinoatrical node (or pacemaker) controls the heart beat rate. It contracts, sending a wave of contracting myocytes through the atria, then the ventricles.
The medulla of the brain speeds up heart rate when blood CO2 levels become high, and decreases heart rate when blood CO2 becomes low.
The hormone adrenalin causes rapid heart rate increase (fight-or-flight response)
Title: ”Nightline from ABC News : The Heart Attack Grill”
Title: “Dick Cheney speaks about heart troubles”
…almost exactly one year later Dick Cheney goes from saying he’s not going to get a transplant to getting one and the commentators discuss the debate of who gets transplants…
Title: “What's Hot: Age Debate over Heart Transplant List”
Title: “Heart Anatomy.” An excellent summary of how the heart works.