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1.It prossess information and sends instructions

a. blood b. brain c. heart d.muscle



2.Which of the following protects the brain from injury?

a. leg b. ribs c. skull d.thigh


3.Which of the following protects he lungs and heart?


a. arms b. rib cage c. skull d.spinal column





4.It is considered as the pumping organ of the body. It is the size of your fist.



a. brain b. heart c. kidney d.lungs​