Question

During physical activity, your muscles are constantly working. The longer and the harder

you work, your breathing rate will increase as well (you will breathe harder). What two
body systems are working together here? 20 points please help!!!!

Answer 1

Heart and Lungs

Step-by-step explanation:

I hope this helped ya

Answer 2

Heart and lungs

Step-by-step 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