2. describe how the nervous, skeletal and muscular system work together when you do exercise such as running, swimming or biking?

Brainliest. what are two not needed parts of the body?

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

Which of the following does not cause blindness? a. cataractsb. glaucomac. osteoarthritisd. diabetes