Shoulder pain is a common complaint, and there are three main reasons you could be experiencing this. Learn more about the anatomy of the shoulder and help diagnose your problem.
Anatomy & Physiology
The human body is made up of thousands of parts, such as glands, muscles, bones, pieces of cartilage, and organs. These parts work together to keep the body breathing and make sure blood is pumping at all times. Read articles in this topic to learn about the parts of the human body and how they function.
Keep your eyes peeled, because you don’t want to miss this – a gallery of stunning images that shows you what the human body looks like under the skin.
You spend your entire life in your body but what do you really know about it? Take up this quiz challenge to see how much you know about what makes you, you.
The circulatory system distributes blood, oxygen, and various types of nutrients around the body. How much more do you know about the circulatory system? Test yourself with this quiz and find out!
What do you know about your own respiratory system? Test your knowledge with this quiz, and maybe find out something you didn’t know!
Embark on a fascinating voyage of discovery with a collection of extraordinary photographs of different types of human cells. Here you will get intimately acquainted with the microscopic world beneath your skin.
Many of our body’s actions are initiated and regulated by an army of chemicals known as hormones. They are part of internal communication system that lets cells ‘talk’ to each other. This guide introduces you to some key hormones and their functions, and the importance and value of hormone tests.
Normally you don’t give it a second thought, but every breath you take is vital and the oxygen it contains travels through a complex system to your body’s cells. This guide to the respiratory system explores its structures and functions, what happens when things go wrong, and how they can be fixed.
Your circulatory system is a vast network responsible for transporting blood, fighting infections and providing the body with the nutrients it needs. Learn how this complex system works, what happens when it goes wrong and how problems are detected.
The endocrine system regulates the body by secreting hormones directly into the bloodstream. It is composed of several glands, including the thyroid, hypothalamus and adrenal glands. Here is a detailed list of endocrine system facts.
What is human growth hormone? In this article you will learn about the human growth hormone, where it is located, and why levels of the hormone increase and decrease.
Different types of human growth hormone (HGH) treatments are available, ranging from FDA regulated injections to homeopathic sprays. HGH can be used to treat a variety of ailments stemming from improper growth hormone levels in the body, and is thought by some to be a fountain of youth.
What are amino acids used for in humans? These substances serve as the building blocks of protein, leading to the creation of proteins that act as antibodies, transport materials throughout the body and serve as storage units. Learn more about amino acids and their functions in this guide.
The human body has more than 600 muscles, which control several critical functions and make it possible to bend, lift objects and perform other functions. Learn more about the muscles of the human body to better understand how they work.
The circulatory system controls the flow of blood throughout the body. The circulatory system organs and blood vessels supply other organs and tissues with oxygen-rich blood, allowing them to function properly. Learn more about this system and how it helps maintain life.
The 11 human body systems work together and make it possible to breathe, move, speak, digest food and carry out many other functions. Learn about each system to better understand how it works.
Learn more about the posterior pituitary hormones. Which hormones are secreted by the posterior lobe of the pituitary gland? What do the hormones from the master gland do and how do they affect the body? What functions to they serve?