epicardium, the outermost protective layer of the heart.
myocardium, the middle layer, a muscle that contracts to pump blood
endocardium, the innermost layer that lines blood vessels and protects the heart chambers.
hope this helps
You just gotta be more aware
That it’s easy to think but it’s hard to act, and it’s the hardest thing to put your thoughts to action. I take this very literally.
Answer:
TRUE
Explanation:
Yes, laughing gas can kill if used for recreational purposes without properly safety in place. All of the things listed in question can happen along with hypoxia (low O2 levels) if person does not breathe in O2 in regular intervals.
The answer is true, if that’s what your looking for
