- Parents Home
- Para Padres
- A to Z Dictionary
- Allergy Center
- Asthma
- Cancer
- Diabetes
- Diseases & Conditions
- Doctors & Hospitals
- Emotions & Behavior
- First Aid & Safety
- Flu (Influenza)
- Food Allergies
- General Health
- Growth & Development
- Heart Health & Conditions
- Homework Help Center
- Infections
- Newborn Care
- Nutrition & Fitness
- Play & Learn
- Pregnancy Center
- Preventing Premature Birth
- Q&A
- School & Family Life
- Sports Medicine
- Teens Home
- Para Adolescentes
- Asthma
- Be Your Best Self
- Body & Skin Care
- Cancer
- Diabetes
- Diseases & Conditions
- Drugs & Alcohol
- Flu (Influenza)
- Homework Help
- Infections
- Managing Your Weight
- Medical Care 101
- Mental Health
- Nutrition & Fitness
- Q&A
- Safety & First Aid
- School, Jobs, & Friends
- Sexual Health
- Sports Medicine
- Stress & Coping
kids
How Does the Muscular System Work? (Video)
If you've ever wondered how your muscles work, this movie has the answer!
How Muscles Work
Your muscles give you power to move and do important jobs in your body. Watch this movie for kids and find out more.
