Most animals, including humans, have bilateral symmetry, which means our bodies are pretty symmetrical. At least on the ...

Dinosaurs had sex. Fossil nests and eggs, as well as the ways today’s birds and crocodiles reproduce, leave no doubt on that ...

The arctic tern may look small and delicate, but these magnificent sea birds migrate further than any other animal on the planet. In a 30-year lifetime, a single tern can fly the same distance as ...

An overview of the general organization of the body introduces the course. Following a discussion of basic human chemistry, the anatomy and physiology of cells, tissues, organs, and organ systems are ...

Animal physiology is the scientific study of the life-supporting properties, functions and processes of animals or their parts. The discipline covers key homeostatic processes, such as the ...

February 2, 2025 • Humans actually have vestigial muscles that activate when listening closely to something, even though people lost the ability to really move their ears about 25 million years ago.