This is the largest organ on your body.
What is the skin?
This organ controls your thoughts, emotions, and actions.
What is the brain?
These body parts help you move, lift, and run.
What are muscles?
This stage of life is when your body changes and grows into an adult body.
What is puberty?
Most teens need between 8 and 10 hours of this each night.
What is sleep?
This organ pumps blood through your body
What is the heart?
These pathways send messages between your brain and body
What are nerves?
This mineral helps keep your bones healthy and strong.
What is calcium?
This hormone helps girls' bodies develop during puberty.
What is estrogen?
Drinking this keeps you hydrated.
What is water?
These organs help you breathe in oxygen and breathe out carbon dioxide.
What are the lungs?
True or False: Your brain keeps working even when you're asleep.
What is true?
This upper arm muscle helps you lift things.
What is biceps?
A growth spurt, mood changes, or starting your period are examples of changes during this time.
What is puberty?
You get this vitamin from sunlight.
What is Vitamin D?
Adults have around 200 of these hard structures in their bodies.
What are bones?
This part of the brain helps you balance and coordinate movement.
What is the cerebellum?
This tough tissue connects muscles to bones.
What are tendons?
True or False: Everyone start puberty at the same age.
What is false?
True or False: It's okay to ask for help when you feel sad or anxious
What is true?
This long, coiled organ digests food after it leaves the stomach.
What is the small intestine?
These chemical messengers help brain cells communicate.
What are neurotransmitters?
True or False: Exercise only helps your body, not your mind.
What is false?
This monthly process happens when the uterus sheds its lining.
What is the menstrual cycle (or period)?
Eating well, staying active, and getting sleep are three examples of this.
What is staying healthy (or a healthy lifestyle)?