What is dandruff made of? Why do we burp? What causes bad breath? These and dozens of other intriguing-but-gross bodily questions are answered in this 'Eew!'-inducing book.

"Lub-DUB. Lub-DUB. Lub-DUB. The rhythm of every animal's heartbeat is different. Flick-dash flick-dash! Lub-DUB. Lub-DUB. Lub-DUB. From tiny meadow mice to tall giraffes to the octopus with three hearts, each animal's heart has its own beat, in tune withits body's needs"--

Explains what blood is, what it does, and how it circulates in the human body.

Describes the composition of blood, how it circulates, and its function in sustaining life in the human body.

Discusses the heart, arteries, veins, blood, and other parts of the body's circulatory system and the causes and prevention of coronary heart disease.

Examines the nature of blood, how it travels through the body, and its importance for life.

An introduction to the human heart, blood, blood vessels, and various types of blood cells.

"HP Newquist's thrilling volume explores the dark and often gruesome tales about blood. Though common among living beings, this substance is anything but ordinary. People have always feared and respected blood. It spills out at both birth and death--its bright red color like a warning sign--indicating events of the utmost significance. Ancient civilizations couldn't perform religious rituals without the revered liquid. Doctors up through the nineteenth...