Explore interactive 3D human anatomy with AnatomyLearning.com. Designed for students, health professionals, and educators.
The nervous system directs our body’s reactions to the world and also controls most of our internal functions, everything from muscle movement and blood vessel dilation to the learning of anatomy and physiology facts.
Complete list of AKC recognized dog breeds. Includes personality, history, health, nutrition, grooming, pictures, videos and AKC breed standard.
The AKC is the recognized and trusted expert in breed, health and training information for dogs.
The American Kennel Club, the world’s largest registry of purebred dogs, uses registration statistics to rank the most popular breeds of the past year. The results for 2025 are in — the French ...
Meet the Most Popular Dog Breeds of 2025 - American Kennel Club
Check out the American Kennel Club's list of smallest dog breeds, including the Chihuahua, Pomeranian, Maltese, and more.
Not too big; not too small: These dogs are the definition of a happy medium, and probably why they show up on our list of most popular dogs year after year.
Looking for big dog breeds? Explore the largest dog breeds, compare sizes and personalities, and find the discover the perfect dog for your home.
AKC.org offers information on dog breeds, dog ownership, dog training, health, nutrition, exercise & grooming, registering your dog, AKC competition events and affiliated clubs to help you discover more things to enjoy with your dog.
There are 12 major anatomy systems: Skeletal, Muscular, Cardiovascular, Digestive, Endocrine, Nervous, Respiratory, Immune/Lymphatic, Urinary, Female Reproductive, Male Reproductive, Integumentary. Select a system below to get started.
human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems. Human anatomy and physiology are treated in many different articles.