The eye is an amazing and complex structure ?. In fact, the only other organ that’s more complex than is the brain. Incredibly, the eye is made up of over 2 million working parts — the optic nerve alone contains between 770,000 and 1.7 million nerve fibers ?.阅读详情

In 2015, scientists working in Ethiopia found the earliest known fossil of the ancestral line of humans. This fossil was of the mandible, also known as our jawbone.阅读详情

Did you know humans are capable of making 10,000 unique facial expressions ????!阅读详情

Have you ever taken a photo with friends, but then on a closer look your eyes come out piercing red ?? Red eyes in photos are caused by the light from the flash bouncing off the capillaries in your eyes ?! 阅读详情

Did that title get you tongue-tied? ? You may have heard the common myth that the tongue is the strongest muscle in your body ?. However, this is in fact untrue.阅读详情

Today let’s learn about the dura mater while also getting an exclusive look of our revamped Head & Neck model, coming this summer to Complete Anatomy.阅读详情

Within our neck lies a small butterfly-shaped gland that works with multiple parts of our body ?. This gland is the thyroid. It sits just below the larynx and is comprised of two lobes. These lobes rest on the trachea and together weigh less than an ounce.阅读详情

The piriformis muscle, located deep in the gluteal region, is not just important for laterally rotating the thigh ?.阅读详情

Every 7 years our skeletal system replenishes itself from collagen in our bones. Not only does our skeleton allow us to move, but it protects our organs, manufactures blood cells, and regulates minerals to help our entire body function. ?阅读详情

If we were to take all the blood vessels in the brain and stretch them out, they would be 100,000 miles long!阅读详情