Why do humans need pain?
By: Saphira Xenno
All systems, procedures and mechanisms throughout the body function to one ultimate goal; provide for and protect the brain at all cost. It may seem strange, selfish even from a certain stand point, but after extensive thought and research I believe it is so. Proof...
How does the pineal gland control inflammatory response?
By: Tamara Strassner
Pine Cones, Sleep, and InflammationThe effect of the pineal gland on the inflammatory response.The pineal gland is a endocrine gland found dorsally to the cerebrum, proximally to the brain stem. It is a small, nodular gland often described as having appearance of a pine...
Reflex action and the heart beat
By: Tamaal Ghosh
Blood will Flow!We all know what a reflex action is, right? Something that "just happens" when the doc taps his thingummywhotsit on your knee (the doc calls this knee-jerk a Patellar reflex)? Or when some people see and smell prime rib steak garnished with...
Structure and function of the colon
By: Tarek Musslimani
The colon or large intestine is anatomically continuous with the small intestine through the ileo-cecal valve, which serves to keep food from flowing backward from the large intestine to the small intestine. The first part of the large intestine is called the cecum which is...
Structure and function of the heart
By: Megan Worley
The Structure and Function of the Human HeartThe heart, an organ about the size of a first operated as two coordinated pumps that send blood throughout the body. The heart is located in the upper chest just slightly left of center between the lungs.The...
Facts about the human brain
By: Connie Sue Apruzzese
Welcome to our guided tour of the human brain. Today we will take a walk through a giant brain and discuss its various functions and parts. There are markers on the walls for the parts of our discussion highlights. Pay attention for these markers which...
Structure and function of the kidneys
By: Tarek Musslimani
The human kidney is comprised of an outer capsule and a cortex and a medulla.The kidney is the site of formation of the urine. The functional unit of the kidney is called nephron and is composed of millions of such units.The nephron is...
The integumentary system explained
By: Alicia M Prater PhD
The integumentary system is more than just the skin - it also includes its accessory features, including the hair, nails, and sweat glands. The integument is the protective outer layer of an organism. In the case of humans and other vertebrates, the integument is the...
Structure and function of the pancreas
By: Tarek Musslimani
The pancreas is an essential organ in humans that without it we cannot live.The pancreas has two known functions. These are an endocrine function and an exocrine function. The endocrine function of the pancreas is especially important in a clinical condition that is called...
Why do humans need pain?
By: C.M. Tucker
DO WE NEED PAIN?Pain is a communication tool. Sometimes the tool gets overloaded or broken. Imagine a drill that won't shut off. Or, one that won't turn on.The anatomy of pain is like a Public Announcement system (PA system). The thing to be...

 

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