babie20032003 babie20032003

12-11-2016
Biology

contestada

Why is the SA node called the pacemaker of the heart?

Respuesta :

13-11-2016

It sends electrical impulses that cause the muscles of the heart to contract. It literally sets the rate of contractions, or in other words it controls the pace

Answer Link

Otras preguntas

) Final averages are typically normally distributed with a mean of 72 and a standard deviation of 12.5. Your professor states that the top 8% of the class will

How does the crowd feel after Brutus's speech versus how do they feel after Antony's speech? * The crowd trusts Brutus --> the crowd is angry at Brutus and t

Select the correct answer Atia and Fegspy are countries with an excellent network of trade routes connecting the two. They are thus able to import and export go

Can someone explain this to me plz Unhelpful answers will be reported

Estimate 76.216+66.36 by first rounding each number to the nearest whole number. I need the right answer pls

The figure shows a vertical section through theaxis of a solid paper weight made in the shape of a right circular cone. Its height is 8 cm and the diameter of i

What are competinves prionties, and how do they help supply chain organizations gain Competitive advantage?

PLEASE HELP!!!!!!!!!!

Y = 2x + 3 2 How does the equation of a line need to be changed to shift the line upward? 1 123 1 -3 -2 -1 -1 -2 A A. The absolute value of the slope needs to b

Is this right? Or am I wrong?