rsetser91652 rsetser91652
  • 31-01-2024
  • Biology
contestada

If the beating heart makes a "lub-dup" sound, the "dup" sound is caused by:
A) Closure of the semilunar valves
B) Closure of the atrioventricular valves
C) Contraction of the atria
D) Contraction of the ventricles

Respuesta :

Otras preguntas

If 3 dice are rolled at the same time, what is the probability of all 3 dice showing even face values? (i.e. all 3 dice showing 2, 4, or 6)
within a book on a desk, there are billions of forces pushing and pulling on all the molecules. why is it these forces never by chance add up to a net force in
simplify please! find the solution.
y=-3/4x+1 find the slope and y-intercept
How do you add degrees, minutes and seconds?
Provide an appropriate response. 39) Find a set of 7 scores that has the same mean but a smaller standard deviation than the set {65, 71, 77, 80, 82, 90, 96}.
y=2x+1 find the slope and y-intercept
How do you add degrees, minutes and seconds?
Tourist: "How many birds and lions do you have in your zoo?" Zookeeper:"There are 30 heads and 100 feet." Find the number of each animal. I need to know how to
The perimeter of a square is 20 ft. If you increase the length of the square by 2 feet and decrease the width by 1 foot, what is the area, in square feet, of th
ACCESS MORE