Crull419 Crull419
  • 04-04-2018
  • Biology
contestada

Electrical impulses that trigger contraction of cardiac muscle cells in vertebrates originate in the _____.

Respuesta :

tisherself
tisherself tisherself
  • 04-04-2018
pns, nervous system
Answer Link

Otras preguntas

what are four temperate climate
Which of the following statements best describes the relationship between a line and a point in a plane? exactly one plane contains a given line and a point on
A density graph for all of the possible times from 50 seconds to 200 seconds can be used to find which of the following? A. The probability of a time from 75
1) Which of the following had the greatest impact on transportation during the second industrial revolution? A) the steam engine B) the internal combustion C) t
if sinx=4/5 what is cos(90-x)
what are the two roles of the central vacuole in plant cells
The fda approves the safety and effectiveness of supplements before they are marketed. answer 1. true 2. false
solve the equation ׳=-215
Some of neruda s most famous poems were odes to _______________ things. a. very colorful c. historical b. sad or melancholy d. normal, ordinary
what is the quadratic sequence answer in 2, 11, 26, 47,74