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

Giving into an aggressor in order to avoid a larger conflict

a book sits at the top of a bookshelf is this question kinetic or potential energy

a book sits at the top of a bookshelf is this question kinetic or potential energy

Which number best describes the number of stars you would find in a galaxy? A. hundreds B. thousands C. millions D. billions

Which word correctly completes the sentence? I'm looking for a store that sells _________ leather belts. A. mens' B. mens's C. men's

1. The governmental body responsible for interpreting the Constitution is the A. House of Representatives. B. Supreme Court. C. Senate. D. president.

The expression below is the factorization of what trinomial? (5x + 6)(3x - 2)

why was it important for the confederacy to defend richmond

________________ are the economic foundation for the coastal countries of west and central Africa.

What is the half-life of a radioisotope if 25.0 grams of an original 200.-gram sample of the isotope remains unchanged after 11.46 days? (1) 2.87 d (3) 11.46 d