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

Can someone please help HURRY

Help pleaseeeee eeeeeeee

G Epic! - Read Amazi... S Freerice.com A my new forth weer 4 points Which of the following is required for a trait to become more common over time in a populati

How Important Is perseverance? Argument1 Body Paragraph

Ellen drew a graph showing the solution to an inequality. A number line going from negative 1.25 to positive 0.75. An open circle is at negative 0.75. Everythin

Please help, math, triangles.

The Embargo Act of 1807, which banned trade with _________, was a great failure. a Britain b France c Britain and France d all countries

Help me with this pls it Italian

Liam and his children went into a restaurant and where they sell drinks for $2 each and tacos for $3.50 each. Liam has $30 to spend and must buy at least 9 drin

Evaluate:[- 12 + 10]