The organ system responsible for thinking and intelligence of man is the
A
Blood circulatory system
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B
Digestive system
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C
Respiratory system
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D
Nervous system
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Solution
The correct option is C Nervous system The brain is like a computer that controls the body's functions, and the nervous system is like a network that relays messages to parts of the body. The brain may simply be the bossiest part of the body. It tells virtually every other part of your body what to do, all the time, whether you're aware of it or not. It controls what you think and feel, how you learn and remember, and the way you move. It also controls things you might not think about like the beating of your heart and whether you feel sleepy or awake. The nervous system is also responsible for the intelligence of a person.