What is number 1?
Heart
What is number 2?
Mouth
What is number 3?
Veins
What is the name of this system?
Circulatory system
What is the main organ of the circulatory system?
Heart
Arteries/ Veins carry blood back to the heart.
Veins
What does the circulatory system do?
Carries oxygen-rich blood to cells in the body
What is number 2?
Arteries
Arteries/ Veins carry blood away from the heart.
Arteries
What is number 1?
Nose
What does the respiratory system do?
Allows us to breathe
What is the main organ of the respiratory system?
Lungs
What is number 4?
Lungs
What is number 3?
Trachea/ Windpipe
What is the name of this system?
Respiratory system