Answer:
Neurons
Explanation:
Neurons are nerve cells that carry "messages", or electrical impulses btw the brain and other body parts. Very important to the Nervous System!
Answer:
Hi!
I believe the answer is <em>proteins</em>.
Explanation:
Muscles are composed of almost 80% protein. A lot of your body uses proteins actually, it's crazy!
Hope this helps!
B. Riding a bike after school
Smoking tobacco, spending time with violent people, and using drugs are all bad and unhealthy behaviors while riding your bike promotes exercise.