Top 10 bones factsBones quiz
How many bones does an adult human have?
206. At birth, there are over 270 bones in an infant human's body, but many of these fuse together as the child grows (in the skull, vertebral column etc.), leaving a total of 206 separate bones in an adult.
Are there pneumatic bones in the human body?
Yes, they are in skull. Pneumatic bones are very light, as they contain hollow cells filled with mucous membrane and air. In the human body, pneumatic bones are found only in the skull (the frontal bone, maxilla and mandible, ethmoid bone, temporal bone)
Where are the smallest bones in the human body?
In ear. The largest bone in the human body is the femur and the smallest bones are three auditory ossicles. The term "ossicles" literally means "tiny bones", and the names of bones are Malleus ("hammer"), Incus ("anvil") and Stapes ("stirrup")
How many bones are in a human foot (including ankle)?
26. The foot may seem simple compared to hand, but its mechanical structure is similarly complex. A foot contains 26 bones, 33 joints (20 of which are actively articulated) and more than a hundred muscles.
Which mammal has more than seven cervical vertebrae (neck bones)?
Sloth. Almost all mammals have seven neck bones, including giraffes with long necks and whales with short necks. The few exceptions include manatees and two-toed sloths, which each have only six cervical vertebrae, and three-toed sloths with nine cervical vertebrae
What is the name of the second cervical vertebrae in humans?
Axis. The cervical spine is made up of 7 vertebrae. The first 2, C1 and C2, are highly specialized and are given unique names: atlas and axis, respectively. By the atlanto-axial joint, it forms the pivot upon which the first cervical vertebra (the atlas), which carries the head, rotates.
How many joints are in the human foot?
33. The human foot consists of 26 bones and 33 joints.