Which of these is not a function of the respiratory system?

to exchange gases with the atmosphere
to ventilate the air spaces
transport RBCs (red blood cells) to the tissues
to protect against environmental hazards

transport RBCs (red blood cells) to the tissues

Explanation:

Respiratory system is a term that describes the biological system in organisms; both in animals and plants. Its main function is to carry out gas exchange in the host body. In other words, it is the organs and other parts of the body, that is responsible for breathing, for example, in human beings, it exchanges oxygen and carbon dioxide.

Some of the main functions of respiratory system includes the following:

1. Exchange of gases with the atmosphere

2. Inhalation and Exhalation

3. External respiration: exchange of gases between lungs and bloodstream

4. Internal respiration; exchange of gases between bloodstream and blood tissue

1. cold turkey (no outside ). about 90% of people who try to quit smoking do it without outside support -- no aids, therapy, or medicine. although most people try to quit this way, it's not the most successful method. only about 5% to 7% are able to quit on their own.

2. behavioral therapy. this involves working with a counselor to find ways not to smoke. together, you'll find your triggers (such as emotions or situations that make you want to smoke) and make a plan to get through the cravings.

3. nicotine replacement therapy. there are several types, including nicotine gum, patches, inhalers, sprays, and lozenges. they work by giving you nicotine without the use of tobacco. you may be more likely to quit with nicotine replacement therapy, but it works best when you use it with behavioral therapy and lots of support from friends and family. and remember that the goal is to end your addiction to nicotine, not simply to quit using tobacco.

explanation:

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