A look at coronary circulation
By: Donovan Brookfield
We all know that the heart is the organ the pumps blood throughout the entire body. But, how does the blood circulate through the heart before it circulates through the rest of the body? In order to answer this question, we first need to know...
How to make your immune system stronger
By: Karen Lemonds
We live in a world that is full of mutant viruses, airborne allergies, and potent pollutants. One thing they all have in common is a strong dislike for a healthy immune system. Coming in contact with one is like Kryptonite; they just can't take it...
Structure and function of the heart
By: Tarek Musslimani
The heart is the most important organ in the body. Its importance comes from the fact that is it supplies the other organs of the body with oxygen and nutrients through pumping the blood into the circulation. The heart is a blood pump that is...
Book reviews: Sex, Drugs and Chocolate: The Science of Pleasure, by Paul Martin
By: Magda DH
True to its title, Sex, Drugs and Chocolate is all about pleasure: sensual as well as cerebral, low level and fairly innocent as well as orgiastically excessive and decidedly not-so-innocent. It explores social as well as biological aspects of pleasure and throughout the book the...
By: Valarie Juntunen
As you will find with almost any field of science, you must start with the smallest components to truly understand how a process works. Therefore, to truly understand the anatomy of the brain, it is best to start with the tissues and cells of which...
What is the nervous system and how does it work?
By: Norah Harwood
The human nervous system is a complex collection of specialized cells that spans throughout the entire body, encompassing more than 100 billion cells in the brain alone. The purpose of the nervous system is to allow humans to detect stimuli, assess the importance of...
How does the neuron function in human anatomy?
By: Daniel Smith - 526822
Traditional neuroanatomy, in addition to filling the most demanding weeks of my education, has focused on area-to-area connectivity-the location and properties of gross anatomical areas and connections between them. The human brain, however, is composed of tens of billions of neurons each connecting to thousands...
How do nerves transmit sensory information to the brain?
By: Daniel Smith - 526822
Nerves are the conduit through which we are able to experience the world around us. There are two steps to transmitting information from our environment: (1) transduction of the stimulus from the environment to a cell of the nervous system or neuron. (2) transmission of...
Structure and function of the human brain
The brain is about the size and weight of a grapefruit, has a pinkish color, and has about the same consistency as Jell-O. Scientists once thought that, unlike other organs, the brain was a huge single cell, but we now know that the brain contains...
An overview on diseases of the heart and cardiovascular system
By: April Showalter, MSHS, CHES
Exercise and nutrition in the prevention of cardiovascular disease Cardiovascular disease is a catch all term used to describe an array of diseases related to the heart and blood vessels. The heart is the pump that distributes blood throughout the body and the blood vessels...
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