20 Fun Facts About The Circulatory System

The circulatory system doesn't just move blood around the body. It moves nutrients, oxygen, hormones, and electrolytes to exactly where they need to go, from the brain to the feet. Every body system relies on the network of veins, arteries, and capillaries throughout the body. While important, the circulatory system is also incredible interesting! Readers learn the basics of blood cells and blood vessels in fun, surprising, and even gross facts on each page. Diagrams and full-color photographs aid readers' understanding and provide a close encounter with parts of the body they may never see.

The circulatory system doesn't just move blood around the body. It moves nutrients, oxygen, hormones, and electrolytes to exactly where they need to go, from the brain to the feet. Every body system relies on the network of veins, arteries, and capillaries throughout the body. While important, the circulatory system is also incredible interesting! Readers learn the basics of blood cells and blood vessels in fun, surprising, and even gross facts on each page. Diagrams and full-color photographs aid readers' understanding and provide a close encounter with parts of the body they may never see.

While Jada sleeps peacefully, what happens in her circulatory system? The Bod Squad sets out to explore, as they shrink down and travel from veins, to arteries, to the heart. An adventure-filled graphic novel that provides young readers information about the human body and how its circulatory system works. Includes contemporary full-color graphic artwork, fun facts, additional information, and a glossary.

Have you ever wondered how the brain is able to control so many important things in the human body? Or how the spinal cord is structured? This volume engrosses and engages reader in this fascinating topic in an easy-to-follow format that adds to the accessibility of this text. Graphic organizers, a body system diagram, and full-color photographs reinforce the science curriculum content contained in each fun fact. Even reluctant readers will marvel at all the amazing processes of the nervous system when explained through gross, unbelievable, and amusing tidbits on each page.

When talking about the digestive system, a few topics must be covered: vomit, the intestines, and poop! All readers can enjoy these and many more topics about the grossest of the body systems in this friendly, fun fact format. From the mouth and esophagus to the small and large intestine, readers take a journey through the human body via the digestive tract, and enjoy learning about processes the digestive system does without us even knowing. The bright images and labeled diagrams encourage body literacy and support science classroom learning.

Muscles do far more than help us lift heavy things off the ground. Muscles make the heart work well and move food through the stomach. They allow us to walk, swim, and even draw! In the fun fact file format, this book introduces readers to the most interesting aspects of the muscular system, including information from the science curriculum, through engaging and sometimes gross tidbits! Detailed diagrams and full-color photographs support each fascinating fact, guiding readers to better body literacy and understanding of this important body system.

Why does dust collect on the blades of a fan? Why should you wear support hose on a long airplane flight? Vogel ranges across physics, fluid mechanics, and chemistry to show how an enormous system of pumps and pipes works to keep the human body functioning. Anyone curious about the workings of the body will want to read this book. 64 line drawings.

This e-book will review special features of the cerebral circulation and how they contribute to the physiology of the brain. It describes structural and functional properties of the cerebral circulation that are unique to the brain, an organ with high metabolic demands and the need for tight water and ion homeostasis. Autoregulation is pronounced in the brain, with myogenic, metabolic and neurogenic mechanisms contributing to maintain relatively constant blood flow during both increases and decreases in pressure. In addition, unlike peripheral organs where the majority of vascular resistance resides in small arteries and arterioles, large extracranial and intracranial arteries contribute significantly to vascular resistance in the brain. The prominent role of large arteries in cerebrovascular resistance helps maintain blood flow and protect downstream vessels during changes in perfusion pressure. The cerebral endothelium is also unique in that its barrier properties are in some way more like epithelium than endothelium in the periphery. The cerebral endothelium, known as the blood-brain barrier, has specialized tight junctions that do not allow ions to pass freely and has very low hydraulic conductivity and transcellular transport. This special configuration modifies Starling's forces in the brain microcirculation such that ions retained in the vascular lumen oppose water movement due to hydrostatic pressure. Tight water regulation is necessary in the brain because it has limited capacity for expansion within the skull. Increased intracranial pressure due to vasogenic edema can cause severe neurologic complications and death.