SYSTEM: THE HEART NOTES
BY ELIASPARAMEDIC.
Copyright © 2010 Pearson Education, Inc.
, PowerPoint® Lecture Slides
prepared by
Janice Meeking,
Mount Royal College
CHAPTER 18
The
Cardiovascula
r System: The
Heart
Copyright © 2010 Pearson Education, Inc.
, Introduction
• Cardiovascular system divided into 2main
parts:
• Circulatory system-heart and blood
vessels
• Lymphatic system-lymph nodes,lymph,&
lymph vessels.
*This chapter will major on the Circulatory
system
Copyright © 2010 Pearson Education, Inc.
, Heart Anatomy
• Approximately the size of a fist
• A roughly cone-shaped hollow muscular organ,
about 10 cm long.
• It weighs about 225 g in women and is heavier in
men (about 310 g).
• Location/ position
• In the mediastinum between second rib and fifth
intercostal space
• Just below the nipple Lt breast
• Lies obliquely, Two-thirds to the left of the
midsternal line
• Presents a base above & apex below
Copyright © 2010 Pearson Education, Inc.