True, The lungs and windpipe are part of the respiratory system, The heart acts as a pump to circulate blood around the body., The digestive system helps the body take in and use food., False, Veins carry oxygen-rich blood from the lungs to the heart, The circulatory system is responsible for removing waste from the body.

ogran

by
Print
Embed

Leaderboard

We are currently working on improving the Leaderboard functionality. Please help us by offering your feedback.

Give Feedback

Visual style

Options

We are currently working on improving the Activity Settings. Please help us by offering your feedback.

Give Feedback

Switch template

Continue editing: ?