Answer:
The first heart sound (S1) represents closure of the atrioventricular (mitral and tricuspid) valves as the ventricular pressures exceed atrial pressures at the beginning of systole (point a). S1 is normally a single sound because mitral and tricuspid valve closure occurs almost simultaneously.
Explanation:
Answer:
It has allowed them to share their information amongst the other biologists and they can study more and discover more and more facts
Explanation:
there you go
Answer:<u><em> Enzymes actually speed up the rate of a chemical reactions</em></u>
Explanation: It would take longer without enzymes because enzymes make things go a little faster!
-Hope this helped<3
Answer:
The second and third pictures show actions that will most likely lead to an increase in Carbon Dioxide. Hope that helps! :)
The answer is: two cells
Explanation:-
At the last stage of mitotic division (telophase) the cell will divide into two cells