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How many bones does an adult human have?
- 196
- 216
- 169
- 206
The human body has 206 bones. Each bone plays a very important role in making all the mechanics of your body function properly.
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Where is the smallest bone in the human body?
- Finger
- Ear
- Toes
- Neck
The tiniest bone in your body is the stapes, which is located in the inner ear. This bone is sometimes referred to as the stirrup because of its Y form. The stapes help convert sounds you hear into waves your brain can interpret.
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Which part of the bone produces red blood cells?
- Bone marrow
- Shell
- Cartilage
- Endosteum
Most bones have bone marrow in the centre, which is filled with blood vessels. There are two types of bone marrow: red and yellow. Blood stem cells found in red marrow produce red blood cells, white blood cells, or platelets. Yellow marrow is mostly made of fat.
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Human hands, including the wrists, contain _____ bones.
- 106
- 54
- 24
- 19
There are 27 bones in each hand, for a total of 54 bones. That amounts to more than 25% of all the bones in the human body.
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The hyoid is the only bone in the body which is not connected to another bone. Where is it located?
- Ear
- Nose
- Knee
- Neck
The only bone in the human body not connected to another is the hyoid, a U-shaped bone in the neck which supports the tongue.
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