The circulatory and respiratory system are connected at the lungs. The circulatory needs oxygen form the lungs to pump the blood around the body and the respiratory system supplies the oxygen and gets the oxygen from the air into your bloodstream.Sep 23, 2013
"Bad" bacteria because there are also good bacteria that we need in order to live not just healthy, because every person gets sick and we need it for our body. Too much good thing is a bad thing.
2. The cloning of a human embryo
3. Affordable care act
Sorry dk the others....
The key is to walk away for a few minutes and just take a breath or you can even pause and count to ten while taking deep breaths