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The femur is the largest and thickest bone in the human body. It is considered the strongest bone by some measures, though other tests suggest the temporal bone may be stronger. On average, the femur length accounts for 26.74% of a person's height, [4] a ratio found in both men and women across most ethnic groups with minimal variation.
Various bones of the human skeletal system. The axial skeleton , comprising the spine, chest and head, contains 80 bones. The appendicular skeleton , comprising the arms and legs, including the shoulder and pelvic girdles, contains 126 bones, bringing the total for the entire skeleton to 206 bones.
Bone is a rigid organ that constitutes part of the vertebral skeleton. Bones support and protect the various organs of the body, produce red and white blood cells, store minerals and also enable mobility. Bone tissue is a type of dense connective tissue. Bones come in a variety of shapes and sizes and have a complex internal and external structure.
The femur is the longest bone in humans. The longest bone in the human body is the femur. [23] The largest artery is the aorta [24] and the largest vein is the inferior vena cava. [25] The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds). [26]
In the human body at birth, approximately 300 bones are present. Many of these fuse together during development, leaving a total of 206 separate bones in the adult, not counting numerous small sesamoid bones. [3] [4] The largest bone in the body is the femur or thigh-bone, and the smallest is the stapes in the middle ear.
It is composed of around 270 bones at birth – this total decreases to around 206 bones by adulthood after some bones get fused together. [1] The bone mass in the skeleton makes up about 14% of the total body weight (ca. 10–11 kg for an average person) and reaches maximum mass between the ages of 25 and 30. [ 2 ]
“Traumatic injuries like muscle tears and broken bones are fixable,” says Dr. Alexis Colvin, professor of sports medicine at Mount Sinai, “whereas chronic overuse issues sometimes linger and ...
extending backward from the carotid canal is the vaginal process, a sheath-like plate of bone, which divides behind into two laminæ; the lateral lamina is continuous with the tympanic part of the bone, the medial with the lateral margin of the jugular surface; between these laminæ is the styloid process, a sharp spine, about 2.5 cm. in length