External Heart Anatomy
Coronary Arteries and Veins
Internal Heart Anatomy
Internal Heart Anatomy
Overview of Cardiovascular System
Hemoglobin Molecule
Lymphatic Vessels
Arrows indicate that lymph is formed when lymphatic capillaries take up excess tissue fluid. Lymphatic capillaries lie near blood capillaries.
Sylvia S. Mader, Inquiry into Life, 8th ed. Copyright © 1997 McGraw-Hill, Inc.
Transmission of electrical impulses through the heart.
Windows (2398 K) - Requires Quicktime Player
Macintosh (2402 K) - Requires Quicktime Player
Startup Instructions
Cardiac Cycle
Heart Electrical Activity
Frog ECG Trace
Comparison of Frog and Human Hearts
Comparison of Cardiac and Skeletal Muscles

Cardiovascular Home