01.
How many lungs does the human body have?
2
02. True or false?
An adult human body has over 500 bones.
False (there are 206)
03.
The innermost part of bones contains what?
Bone marrow
04.
What is the human body's biggest organ?
The skin
05.
What substance are nails made of?
Keratin
06.
True or false?
The two chambers at the bottom of your heart are called ventricles.
True
07.
The muscles found in the front of your thighs are known as what?
Quadriceps
08.
What is the name of the substance that gives skin and hair its pigment?
Melanin
09.
The colored part of the human eye that controls how much light passes through the pupil is called the?
Iris
10.
What is the name of the biggest part of the human brain?
The cerebrum
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