Hypothyroidism causes symptoms like slowed metabolism, tiredness, and weight gain. Having an underactive thyroid can decrease or slow down your bodily functions. With hyperthyroidi...

This non-metal exists in many forms- as a black, crumbly solid called graphite, as well as one of the hardest substances on Earth- diamond.

One of the rarest gases on Earth, this element was discovered in 1898.

Bones of the Body. The femur or thigh bone is the longest, largest, and strongest bone in the skeleton. It is inclined downward and inward from the pelvis to the knee to help the s...

Human Skin

Pancreas

The pancreas is the largest exocrine gland and is 95% exocrine tissue and 1-2% endocrine tissue. The exocrine portion is a purely serous gland which produces digestive enzymes that...

The largest gland in the human also happens to be the biggest internal organ: the liver.

Your pancreas (say: PAN-kree-us) is your largest endocrine gland and it's found in your belly. The pancreas makes several hormones, including insulin (say: IN-suh-lin), which helps...