Why do the spikes in the electrocardiogram, such as the qrs complex, come shortly before a contraction?

what would it mean if the spikes were irregular?

2. evaluate how each of the following affects your personal physical fitness and dietary practices. (3 points: 0.5 points for each) your school your community your family and culture your friends any media and advertising you see your emotions

The french parenting style is somewhat different. they believe in maintaining , which means a framework or boundary. parents draw firm boundaries for children, and they expect children to abide by their rules and regulations. at the same time, they offer some degree of to their children.

What is the total amount of waste dissolved in the plasma and what chemical is it