Sci-Five | The Hindu Science Quiz: On Bones
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How many bones does an adult human have?
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?
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.
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?
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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