Human Skeleton Quiz
Also known as the braincase, this body part is formed from a group of bones that fuse together in childhood.
- The parietal, temporal, ethmoid, sphenoid, frontal, and occipital bones fuse together to form the cranium.
What is the longest bone in the human body?
- The femur is the longest bone in the human body, averaging 19.9 inches. The next longest is the tibia (shinbone) averaging 16.9 inches, and third longest is the fibula averaging 15.9 inches.
Which of the following is not a type of joint in the human body?
- There are three types of moveable joints in our body. The hinge joint allows forward and backward movement, the pivot joint allows for rotary movement (as seen when moving your head around), and the ball-and-socket joint provides the greatest range of movement.
How many ribs does a human have?
The ulna and radius make up which body part?
- The ulna is the inner lower arm bone, and the radius is the outer lower arm bone. The upper arm bone is called the humerus.
What is the smallest bone in the human body?
- The stirrup bone, also known as the stapes, is the smallest bone in the human body, ranging from 0.25 to 0.33 cm long. It is the innermost of three small bones in the middle ear.
How many bones are there in the human body?
- There are 206 bones in the human body. At birth we have more bones, but many of these fuse together as we grow. Learn more about the skeleton in the encyclopedia.
Of the 12 pairs of ribs in your body, which ones are the longest?
- The 7th rib averages 9.5 inches in length, and the next longest rib, the 8th rib, averages 9.1 inches.
Humans have which type of skeleton?
- An endoskeleton is enclosed within the body, and an exoskeleton is external, like that of a clam.
Any of the bones of the fingers or toes are known as:
- The patella is another name for the kneecap, and the coccyx is another name for the tailbone.