"Providing a cover for our delicate and intricate bodies, the skin is our largest and fastest-growing organ. We see it, touch it, and live in it every day. It is a habitat for a mesmerizingly complex world of micro-organisms and physical functions that are vital to our health and our survival. It is also a waste removal plant, a warning system for underlying disease, and a dynamic immune barrier to infection. One of the first things people see about...

"Raina wakes up one night with a terrible upset stomach. Her mom has one, too, so it's probably just a bug. Raina eventually returns to school, where she's dealing with the usual highs and lows: friends, not-friends, and classmates who think the school year is just one long gross-out session. It soon becomes clear that Raina's tummy trouble isn't going away ... and it coincides with her worries about food, school, and changing friendships. What's...

"A book exploring the emerging science on plant intelligence, uncovering plants' complex and unimaginable capabilities and calling into question what we consider to be conscious agents in the natural world"--

"We humans like to think of ourselves as highly evolved creatures. But if we are supposedly evolution's greatest creation, why do we have such bad knees? Why do we catch head colds so often--two hundred times more often than a dog? How come our wrists have so many useless bones? Why is the vast majority of our genetic code pointless? And are we really supposed to swallow and breathe through the same narrow tube? Surely there's been some kind of mistake."--...

Blood carries life, yet the sight of it makes people faint. It is a waste product and a commodity pricier than oil. It can save lives and transmit deadly infections. Each one of us has roughly nine pints of it, yet many don't even know their own blood type. And for all its ubiquitousness, the few tablespoons of blood discharged by 800 million women are still regarded as taboo: menstruation is perhaps the single most demonized biological event. Rose...

"Introductory text explains the functions and physical concepts of the muscular system with color photography and simple scientific diagrams. Intended for students in grades three through six"--Provided by publisher.

Animals can do amazing things with their ears, eyes, mouths, noses, feet, and tails. Some of the skills are highlighted in this interactive guessing book. What bird has blue feet and what does he do with them that's special?

We don't often think about it, but we'd be a pile of skin and other organs without our bones. This helpful guide to the human skeleton presents readers with a key body system. They will be acquainted with groups of bones such as the spine and skull and learn what they need to do to keep their bones healthy. Carefully chosen photographs and illustrations support the accessible text, which is a valuable introduction to several key biology concepts.

"That the average adult spends 50 to 70 percent of their day sitting is no surprise to anyone who works in an office environment. But few realize the health consequences they are suffering as a result of modernity's increasingly sedentary lifestyle, or the effects it has had on society at large. In Get Up! , health expert James A. Levine's original scientific research shows that today's chair-based world, where we no longer use our bodies as they...