brid3536 brid3536

03-02-2022
Health

contestada

Why does the first heart sound occur after the qrs complex?.

Respuesta :

arayahes arayahes

03-02-2022

Answer:

QRS represents ventricular depolarization. This depolarization initiates ventricular contraction which closes the mitral and tricuspid valves. It is the closure that is heard as the first heart sound.

Explanation:

Answer Link

Otras preguntas

water in a pan over a radiator evaporates much faster than a water pan in a table ???? i need help ppl

the perimeter of a square is 4 times as great as the length of any of its sides. Determine whether the perimeter of the square is proportional to the side lengt

What is 38/50 as a decimal... and what is 28/50 as a decimal? PLEASE HELP ME !!!! i hate struggling with homework!

Use the order of operations and the digits 2,4,6 and 8 to create an expression with a value of 2

What's another name for vital signs?

Explain why the railroads were not built in a straight line from east to west.

The discovery of gold in Transvaal contributed to the start of _____?the Anglo-Boer WarWorld War IIWorld War Ithe Peloponnesian War

What does imagery mean

Use the order of operations and the digits 2,4,6 and 8 to create an expression with a value of 2

If item costs $99.99 with 15% off and I get final price. It then asks me what percentage of savings. How do I get the percentage of savings