How can the circulatory system compare to a city map? Pupils distinguish the "roadways" and "vehicles" of the cardiovascular system, compare the anatomy and function of veins and arteries, and review different types of blood cells with...

Young scientists get to the heart of the matter with this comprehensive review of the circulatory system. Addressing the different anatomical structures and processes involved in pumping blood through the human body, this worksheet...

What are blood vessels and what do they do? Find out here at this Franklin Institute site!

Description of the structure of the heart including the valves.

[Free Registration/Login may be required to access all resource tools.] The blood vessels are an important part of the cardiovascular system. They connect the heart to every cell in the body. Arteries carry blood away from the heart,...

Capillary is described and explained. It is related to surface tension. Examples in botany and human physiology are given.