Answer:
The digestive system works very closely with the circulatory system
Explanation:
Answer: Crunches target the rectus abdominis and other abdominal muscles. An ab crunch machine is designed to strengthen the abdominal muscles. Wearing compression underwear can give the stomach a more toned appearance. Ab crunches are a great exercise for people looking to shed weight
Explanation:
Depressants slow (depress) the nervous system which slows the brain and body reactions