I would say to check your heart rate (sometimes treadmills have a handle grip thing for your heart rate)
If u mean the endocrine system .The endocrine system is the collection of glands of an organism that secrete hormones directly into the circulatory system to be carried towards distant target organs.
An abusive person (emotional/physically abusive)
Explanation:
Regular cardio, strength training, workout for improving muscular endurance, and flexibility exercises are all going to contribute well towards a healthy body fat content. Together with healthy eating you should be able to achieve your fitness goals.
