Keeping Healthy Crossword

If you become dependent on a drug, you are...
You should not drink during ... because it could harm the baby.
If you breathe in smoke when other people smoke around you, you are a ...
What is the addictive chemical in tobacco?
Which organs are damaged in the body when you smoke?
If you drink too much alcohol, which organ in the body could be damaged?
Which chemical in cigarette smoke causes cancer?
What is the term used for someone who is addicted to alcohol?
Which gas is carried by the red blood cells?
The three types of blood vessels in the body are arteries, capillaries and ...
What type of tissue is the heart made of?
Which part of the lungs is the place where gas exchange happens?
Which gas travels from the blood and into the lungs to be breathed out?
Another word for the windpipe.
What is the name of the chemical reaction that gives us energy?
Which bones surround the lungs and heart?