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Human Body Systems

Explore the circulatory, nervous, and digestive systems

3 questions
1

How many bones are in the adult human body?

A.196
B.206
C.216
D.226
2

What is the largest organ in the human body?

A.Liver
B.Brain
C.Skin
D.Lungs
3

What type of blood cells fight infections?

A.Red blood cells
B.White blood cells
C.Platelets
D.Plasma

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