The nervous system is the most important body system and the heart is the most important muscle
Answer:wash your hands off
Explanation:even though you wipe it with a paper towel the germs still not gone
The cardio-respiratory system consists of the cardio vascular system (heart and blood vessels) together with respiratory system (lungs and air ways). These systems work to transport oxygen to the muscles and organs of the body and remove waste products including carbon dioxide.
Answer:
the answer is drink water which helps you stay hydrated