The smallest bone in the human body is about the size of:
The head of a pin
A grain of rice
An eyelash
A grain of sand
Along with the smallest bones, the smallest muscles in the human body are found in the ears
True
False
Calcium crystals are a normal part of what body region?
Gouty joints
The ears
The nasal cavity
The spine
In a single day, one of your feet can sweat the equivalent of half a glass of water
True
False
What is the largest organ of the body?
The brain
The liver
The spine
The skin
What is the average lifespan of a red blood cell?
5 days
30 days
120 days
360 days
The liver is responsible for the production of which vitamin in our bodies?
Vitamin A
Vitamin B
Vitamin C
Vitamin D
What is the length of the small intestine in an adult?
4 meters
7 meters
11 meters
15 meters
0
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