Question

have you ever spent a hot afternoon playing ball with your friends? or maybe youve run around the park with your dog? bet you were pretty sweaty and thirsty when you finished playing! maybe you were even thirsty enough to guzzle an entire gallon of water. that thirst was a sign of dehydration. dehydration means that your body is losing more fluids than it takes in, and thats not good for your health! dont depend on your thirst to tell you whether or not your body needs a refill. make sure you drink water a few hours before gearing up for physical activities, and keep drinking after youre done. be smart and stay hydrated! based on the information in the selection, which of the following relationships is most similar to the relationship below? thirst : dehydration
a. gallon : water
b. sweat : physical activity
c. refill : dehydrated
d. thirsty : playing

Explanation:

Thirst is a sign of the body needing hydration, similar to how being dehydrated means the body needs a refill. Just as thirst indicates a need for water to counter - dehydration, sweating is a sign of fluid loss during physical activity, and the body may need to replenish fluids.

Answer:

B. sweat : physical activity