1431cv7 - (demand) • interventricular septum-electrical...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
7 Heart • Heart muscle - myocardium • striated muscle - contracts in similar fashion to skeletal muscle – heart contracts as a unit due to smooth conduction of electrical stimulus throughout • coronary circulation - extracts 80% of O 2 – increases circulation with increased work rate
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: (demand) • interventricular septum-electrical barrier between chambers • Atria -primer pumps - 70% flows directly into ventricles - atrial contractions forces remainder into ventricle...
View Full Document

This note was uploaded on 12/26/2011 for the course KIN 143 taught by Professor Asmundson during the Fall '09 term at Simon Fraser.

Ask a homework question - tutors are online