Answer:
I know it's not D B A I think it's c it has to be
Answer:
The “lub” is the first heart sound, commonly termed S1, and is caused by turbulence caused by the closure of mitral and tricuspid valves at the start of systole. The second sound,” dub” or S2, is caused by the closure of aortic and pulmonic valves, marking the end of systole.
Answer:
Virus transmission is affected by a number of factors, including environmental determinants, host behavior, host defense mechanisms, and virus infectivity.
Explanation:
Answer:
Abnormal heart rhythms. Heart failure. And Congenital heart disease.
Explanation:
Answer:
The right ventricle can be found below the right atrium and opposite the left ventricle in the bottom right part of the heart.
