Your systems are constantly attacked by:
viruses and bacteria
What organs are specially affected by tobacco?
the lungs
How many hours you should sleep a day? 3 or 10?
10 hours
What system controls our movements, thinking and what we feel?
nervous system
Heart, blood vessels and arteries are part of the...
circulatory system
These organs are filled with oxygen
lungs
If you sneeze or cough, what should you do?
cover your mouth
What organ pumps blood around the body?
the heart
What supports all your body?
The bones
What systems are stronger and healthier if you excercise?
respiratory and circulatory
Smog is bad for what system?
respiratory
This systems transport blood around the body
circulatory system
What system helps our body oxygenate?
respiratory system