You'll need to do a bit of prep work on this one, but it's a great learning tool, especially for your kinesthetic learners. This activity ...
Infographic: Find out all about the blood, lungs and blood vessels that make up the circulatory system.
Anatomy and Physiology
Runde's Room: A Little Bit of Blood and Gore ... Making Blood Models for Studying the Human Body
Circulatory system-now lets put some defects in there
Human Body Facts - PiR Resourcing Human Physiology - Fun facts about the cardiovascular system, an incredible machine in the human body.
Anatomy & Physiology
▶ How the heart actually pumps blood - Edmond Hui - YouTube
REALLY good kids video to explain how red blood cells carry oxygen and carbon dioxide to and from the heart.
Science : Human Biology
Heart & Circulatory System...wish I had this months ago when the kids were learning about this!!!
Worksheets: Basic Human Anatomy: Blood
free parts of the heart worksheets | Describe the function of the heart in the circulatory system.