Answer:
Heart and lungs
Explanation:
The more harder that you work the more your heart is going to race and the more your lungs are going to get tighter because they are working together to make the body function the way it is supposed to
Um is there answers like u chose one a b c or d and if so what and i think i know the answer
is it a true or false because if it is it's true obvi <span>because u would get good exercise.</span>
Eccrin glands is one out of the two types of sweat glads that occur over most of your body and open directly onto the surface area of your skin. When your body tempature rises, your Eccrin glands secrete fluid onto the surface of Your skin, where it cools your body as it may evaporate.
