Anatomy and Physiology: CREDO Human Anatomy Diagrams

Network of specialized tissue that controls actions and reactions of the body and its adjustment to the environment. Virtually all members of...

Body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called...

In animals, the anatomical organs concerned with production of offspring. In humans and other mammals the female reproductive system produces...

System of vessels in an animal's body that transports essential substances (blood or other circulatory fluid) to and from the...

In the body, all the organs and tissues involved in the digestion of food. In animals, these consist of the mouth, stomach...

Group of organs of the body concerned with excretion of urine, that is, water and the waste products of metabolism. In humans, the kidneys are...

The supervisory center of the nervous system in all vertebrates. It also serves as the site of emotions, memory, self-awareness, and thought...

Muscular organ that rhythmically contracts to force blood around the body of an animal with a circulatory system . Annelid worms and...

Saclike dilation in the gastrointestinal tract between the esophagus and the intestines , forming an organ of digestion. The stomach is...

In mammals, large cavity of the body, used for gas exchange . Most tetrapod (four-limbed) vertebrates have a pair of lungs occupying...

In vertebrates, one of a pair of organs responsible for fluid regulation, excretion of waste products, and maintaining the ionic...

Largest glandular organ of the body, weighing about 3 lb (1.36 kg). It is reddish brown in color and is divided into four lobes of unequal size...

Glandular organ that secretes digestive enzymes and hormones. In humans, the pancreas is a yellowish organ about 7 in. (17.8 cm) long and 1.5...

Muscular hoselike portion of the gastrointestinal tract extending from the lower end of the stomach (pylorus) to the anal opening. In humans...