<span>The mitral valve does this between the left atrium and ventricle. The "lub" is the sound of the tricuspid and mitral valves closing. Each of your heart's ventricles has an outlet valve. The right ventricle uses the pulmonary valve to help move blood into the pulmonary arteries.</span>
The flu can be treated with an antibiotic
Clostridium tetani because it's a widespread bacteria found in soil all around the world
Answer:
Those who have a family history of alcoholism have a higher risk of developing a drinking problem. Studies show that alcoholism is approximately 50 percent attributable to genetics.
Explanation:
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