Which system is this one?
Circulatory system
Which system is this one?
Respiratory system
Where can we find the smallest bone in our body?
ear
Which gase we breathe out?
Carbon dioxide
Which system is this one?
Nervous system
Lungs help us to....
breathe
Which system is this one?
Excretory system
Which organ is inside our heard?
Brain
Which system is this one?
Digestive system
Which system is this one?
Reproductive system