Thyroid
Thyroid
Through the hormones it produces, the thyroid gland influences almost all of the metabolic processes in your body. Thyroid disorders can range from a...
Stomach
Stomach
The stomach is a muscular organ located on the left side of the upper abdomen. The stomach receives food from the esophagus. As food...
Spinal Cord
Spinal Cord
The spinal cord is a long, fragile tubelike structure that begins at the end of the brain stem and continues down almost to...
Small Intestine
Small Intestine
The small intestine is a tubular structure within the abdominal cavity that carries the food in continuation with the stomach up to the...
Skin
Skin
The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes...
Pituitary Gland
Pituitary Gland
The pituitary gland is a pea-sized structure located at the base of the brain, just below the hypothalamus, to which it is attached...
Parathyroid Glands
Parathyroid Glands
A number of vital functions in human body are controlled by biochemical substances, called hormones, which are chemical messengers released by either ductless...
Pancreas
Pancreas
The pancreas /ˈpæŋkriəs/ is a glandular organ in the digestive system and endocrine system of vertebrates. In humans, it is located in the abdominal...
Nose
Nose
Nose Parts
The nose has two holes called nostrils. The nostrils and the nasal passages are separated by a wall called the septum (say: SEP-tum)....
Mouth
Mouth
In human anatomy, the mouth is the first portion of the alimentary canal that receives food and saliva. The oral mucosa is the mucous...
Lungs
Lungs
The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails. In mammals and...
Liver
Liver
The liver is a large, meaty organ that sits on the right side of the belly. Weighing about 3 pounds, the liver is reddish-brown...
Larynx (voice box)
Larynx (voice box)
Laryngeal cancer is not as well known by the general public as some other types of cancer, yet it is not a...
Large Intestine
Large Intestine
The large intestine is the final section of the gastrointestinal tract that performs the vital task of absorbing water and vitamins while converting...
Kidneys
Kidneys
The kidneys are two bean-shaped organs found on the left and right sides of the body in vertebrates. They filter the blood in order...
Hypothalamus
Hypothalamus
The hypothalamus is a section of the brain responsible for the production of many of the body’s essential hormones, chemical substances that help control...
Heart
Heart
The heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps...
Esophagus
Esophagus
The esophagus is a muscular tube connecting the throat (pharynx) with the stomach. The esophagus is about 8 inches long, and is lined by...
Eyes
Eyes
The human eye has been called the most complex organ in our body. It's amazing that something so small can have so many working...
Ears
Ears
The ear is the organ of hearing and, in mammals, balance. In mammals, the ear is usually described as having three parts—the outer ear,...