Left and right crossing of the somatic nervous system

The movement and sensation of the left-side of the body is controlled by the right brain, and the movement and sensation of the right-side of the body is controlled by the left brain. The action potential that makes the right leg kick a ball originates in the left brain.

The action potential that makes the left leg kick a ball, and left hand grab, originates in the right brain. The action potential that makes the right leg kick a ball, and right hand grab, originates in the left brain.

Action potential generated by the left hand being pinched, and the action potential generated by the left cheek being kissed, are sensed by reaching the right brain.

Action potential generated by the right hand being pinched, and the action potential generated by the right cheek being kissed, are sensed by reaching the left brain.

Challenge Quiz

1.

The action potential that makes the right leg kick a ball originates in the right.left  正解! brain.

2.

The action potential that make the left hand grab, originates in the left.right  正解! brain.

3.

The action potential generated by the left cheek being kissed is sensed by reaching the left.right  正解! brain.

4.

The action potential generated by the right cheek being kissed is sensed by reaching the left. right  正解! brain.

Index:L6:introduction to the nervous system