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

WILL GIVE BRAINLIEST IF ANSWERED FAST!!!

Internet communication is a revolution in the field of communication. Justify

A company had $6,992,000 in net income for the year. Its net sales were $15,200,000 for the same period. Calculate its profit margin.

What does The Bachelor give to the women he wants to stay on the show each week?

The cost of fencing around a square field id rs.12000. if the cost of fencing per meter is rs. 30, find the area of the square field.

Where do rats give birth

x / 6/7 =3 2/5 solve to find x please help

lisa borrows $18 000 over 5 years from the bank. The loan is charged at 8.4% p.a. simple interest. Find the total amount owing at the end of 5 years. (2 marks)

WILL GIVE BRAINLIEST IF ANSWERED FAST!!!

A spy realizes his cover is blown and flees toward his secret evacuation spot at a speed of 60 mph. Two hours later, a special agent in a helicopter starts chas