Lungs expel waste from the body in the form of? 1 oxygen
2 carbon dioxide
3 blood cells
4 water

Its metal in tyour lungs

Explanation:

Do not snoke/vape it is very bad for yo lungs.

its carbon dioxide you idiot

to depression, you can, according to experts and therapists, start a routine of your day, set goals for yourself, exercise, eat healthy foods (and sometimes treating yourself to sweets), and get enough sleep. people have often found it easier for them to find someone they trust dearly and sharing their feelings and emotions with. hope this ! : )

answer; estimate the number between the highest and lowest number; ///