Jstam Jstam
  • 22-04-2015
  • Biology
contestada

Which of the following is most important to the heartbeat?
a. aortic valve
b. sinoatrial node
c. lymph node
d. tricuspid valve

Respuesta :

deb9386 deb9386
  • 22-04-2015
b. Sinoatrial nobe is the most important
Answer Link

Otras preguntas

What role does environment have on impulsivity according to gottfredson and hirschi?
giuseppe garibaldi , thomas jefferson and simon bolivar were similar in that each
Paragraph about daily life or routines for someone work teacher
math question please HELP THANK YOU AHSJDFGKFL
French 2 PLEASE HURRY. IF YOU USE GOOGLE TRANSLATE YOU WILL GET REPORTED.Choose the best translation of the following sentence:I am not washing my cheeks.EXPLAI
Its contains 3 liters of natural oil for every 2 liters of synthetic oil. In order to make 415 liters of petrol oil how manh liters of natural oil are needed
Write an equation of the line that passes through the given point and is PARALLEL to the given line: (-3,-7); y=-3x+4 (4,6); 4x+2y=10 please explain how to do t
The correct sequence of the five stages of death and dying postulated by Kübler-Ross is
Area and Perimeter of L Shapes Help answer
"if a 20 and a 40 ohm resistor are wired in parallel to a 20v source, what will be the current in the 40 ohm resistor?"