Why do humans need pain?
By: Opal Elaine Moyer
Pain is an essential ingredient in the growth and development of all humanity, this growth being more mental and spiritual than anything else. This may sound crazy, but it is true. While enduring physical pain makes one stronger and more tolerant physically, emotional and mental...
Structure and function of the small intestine
By: Tarek Musslimani
Anatomically speaking, the small intestine is divided into three parts. These are the duodenum which is the first part of the small intestine. It is connected with the stomach and there is a valve between the stomach and the duodenum that is called gastro-duodenal valve...
Understanding the human brain
By: Basel Varsally
Our brain, the "crown" that sits on top of our heads is one of the most difficult things to understand and yet it's a part of us. Its development greatly varies as in order to understand it, we need to understand how living creatures like...
Structure and function of the reproductive system
By: Tarek Musslimani
The reproductive system in males include the testis and the epidydimis and the prostate gland. In females the reproductive system is comprised of the vagina and the uterus and the ovaries. Testosterone is a male sex hormone that stimulates the generation of the male sexual...
Facts about the human brain
By: K. L. Hosking
Anyone who has been fortunate to view an ultrasound image of an unborn child would be able to see the miracle of brain development unfolding. During the early stages of human life, a tube-like structure begins to appear within the tiny embryo, signaling the early...
Understanding the human brain
By: K. L. Hosking
There are several methods for studying the human brain. Some methods are observational, while others are invasive. Some would argue that the invasive methods are unethical and this research should only involve animals other than humans, however, there are occasions where invasive methods of investigating...
Why the body needs sleep
By: Vidya Syam
Sleep is a daily visitor in life for the majority of us, isn't it? But how many of us have really gone to its roots to explore it? It is a scientific fact that 'sleep' is one of the basic necessities of human body apart...
What is blood pressure?
By: Hira
Blood is carried from the heart to all parts of your body via arteries and in simple terms blood pressure is the force of the blood pushing against the walls of the arteries. It is generated by the heart pumping blood into the arteries and...
Structure and function of the adrenal gland
By: Tarek Musslimani
The adrenal glands in humans are two glands that are situated on top of each kidney.The adrenal gland is comprised anatomically from a capsule and a cortex and a medulla.The cortex constitutes approximately 90% of the total weight of the gland.The adrenal...
Structure and function of the parathyroid gland
By: Tarek Musslimani
The parathyroid gland in humans is a 4 glands that are situated in the posterior or behind the thyroid gland. There is a capsule of connective tissue that separates the parathyroid gland from the thyroid gland.The parathyroid gland is supplied with blood from the...

 

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