How messages in the body are delivered to other parts of your body. plz realy need it plz

The messages in the body are delivered to other parts of body by sending signals along the nerves.

Explanation:

The brain of a human sends messages to other parts of the body through a network of connecting wires, called neurons in the nervous system.

These messages are sent by the brain the form of signals or electrical currents. These signals then travel through the neurons to the other parts of the body to which the brain wants to communicate with and then that part of the body will perform an action accordingly.

answer: d. a cme increases the amount of energy in the solar wind

explanation:

coronal mass ejections, also called cmes, are large clouds of plasma and magnetic field that erupt from the sun. only when the cloud is aimed at earth will the cme hit earth and therefore cause impacts. high-speed solar wind streams come from areas on the sun known as coronal holes.

work: w = fd (given)

work done by chet   =50*1 = 50 j

work done by mika =40*2 = 80 j

work done by sara =30*1.5 = 45 j

work done by bill =60*0.5 = 30 j

students in order from the greatest amount of work done to the least is mika> chet> sara> bill

hence option (b) is correct.