jahfarisamuel7893 jahfarisamuel7893
  • 07-04-2018
  • Biology
contestada

The sa node acts as the pacemaker of the heart because these cells are __________.

Respuesta :

hello349
hello349 hello349
  • 07-04-2018
The heartbeat has two specialised areas of muscle (the sa node and the av node) that control and synchronise the heartbeat. The rhythm of relaxation and concentration of the pacemaker sets the rythym of the heartbeat.
Answer Link

Otras preguntas

A certain bacteria population is known to doubles every 30 minutes. Suppose that there are initially 80 bacteria. What is the size of the population after t hou
what's 40,000 2,000 300 70 6 in standard form
What problem was solved by the first emperor of china?
In a survey, 80 people were asked wether they thought the speed limit for interstate highways should be raised? Twenty-five people said the speed limit should b
Discuss the Sarbanes-Oxley Act 2002 and how it helps curb accounting fraud.
Historically, which empire was most associated with having control of the baltic states?
started off with 25 gallons drove a 150mills how many gallons is left
Who was a french political philosopher who admired the english form of government?
"Et tu, Brute?" [And you, Brutus?] Is this quotation a reliable source for historians to use if they are writing about the death of Julius Caesar?
Morgan is interested in exploring the kinds of behaviors that people engage in at their gyms. she observes and records how much time they spend on aerobic activ