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

According to this passage, how do cell phones endanger lowland gorillas? Extracting raw materials to make cell phones damages the gorillas’ habitat. Factories t

What species are made at the anode and cathode, respectively, during the electrolysis of molten kbr

A negatively charged balloon has 3. 5 µc of charge. How many excess electrons are on this balloon?

find the product 12 times 2/3 simplify. Your answer completely

Which part is pointing to the gel-like liquid that holds the organelles, and which is the site of much of the cell's metabolism? Select one: 1 4 2 8 6

how to rewrite “many people read this writer's articles. his articles are usually criticized on politics and migration.” with relative pronoun?

Show your work (19−7)^( (2) ) −8*3+4*3−5

What was the theme of The Pied Piper of Hamelin?

Why are senses necessary for behavior?

What are the x-coordinates for the maximum points in the function f(x) = 4 cos(2x − π) from x = 0 to x = 2π? (1 point) a x = 3 pi over 2 , x = π b x =