Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. A new study now shows: ...

Your anatomy operates like a machine, it's success hinging on the work of over 70 organs, each with a unique function. From the heart's blood-pumping ability to the liver's filtering power, each ...

The male pelvic region is the area between the trunk — or main body — and the lower extremities, or legs. For information on the female pelvis, see our overview. In general, the male pelvis has some ...

Zygote Body is a comprehensive and unique way to learn about the human body. The human body is fascinating and complex. Students puzzle over those different bones, blood vessels, muscles, and ...

Male genitalia, both internal and external, is made of many components. The testes are an important internal component, and the penis is the main external part. The male genital system consists of ...

From interactive diagrams to A.I. assistants, virtual tools are beginning to supplant physical dissections in some classrooms ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs), but for other body organs it is of little help. Subscribe to our ...