Https://quizlet.com/12149291/chapter-12-the-cardiovascular-system-3-flash-cards/
This website could help you a ton! ^
Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Stress management ,Decision making ,Analyzing
I believe the answer your looking for is the "frontal" lobe, though this is if you just want the lobe of the brain. The frontal lobe is responsible for giving the traits that define our personality and who we are are. If you want to be specific though it is, I think the "Amydalga" is the more specific answer
Answer:
Vitamin B3 ( niacin ) and D
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