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Human Anatomy & Biology

Information and resources on human biology topics including anatomy, physiology, organ systems and more.
  1. Anatomy (117)
  2. Organ Systems (27)
  3. Physiology (13)

Anatomy
Anatomy is the study of the structure of living organisms. This subdiscipline of biology can be further categorized into the study of large scale anatomical structures (gross anatomy) and the study of microscopic anatomical structures (microscopic anatomy).

Anatomy of the Brain
Information and resources pertaining to the anatomy of the brain.

Anatomical Directional Terms and Body Planes
Anatomical directional terms and body planes describe the locations of structures in relation to other structures or locations in the body.

Blood
Blood is the life fluid of the body as it provides nourishment to the cells, tissues, and organs of the body.

Red Blood Cells
Red blood cells are blood components that transport oxygen throughout the body. Also called erythrocytes, these cells contain hundreds of millions of oxygen-binding hemoglobin molecules.

Blood Vessels
Blood vessels are intricate networks of hollow tubes that transport blood throughout the entire body.

Heart Anatomy
The heart is the organ that helps supply blood and oxygen to all parts of the body. Heart anatomy focuses on the structure and function of this amazing organ.

Anatomy of the Stomach
The primary functions of the stomach are to receive and temporarily store food from the esophagus, mix the food with digestive enzymes to liquefy it, and to release the food to the small intestines.

Neurons
All cells of the nervous system are comprised of neurons. Neurons are responsible for sending, receiving, and interpreting information from all parts of the body.

Salivary Glands and Saliva

Gonads
Gonads are reproductive system organs that produce and support the development of male and female gametes. Male gonads are the testes and female gonads are the ovaries.

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