Answer: carbon dioxide
Explanation:
This question is referring to the function of the respiratory system in the body and the lungs with the respiratory system are allowing us to breathe.
The lungs are bringing at first oxygen into our body and that process is called inspiration or also inhalation. They are sending carbon dioxide out which is a process that is called exhalation or also expiration.
This is the exchange that is happening in our body and with that exchange of oxygen and carbon dioxide, it is called respiration.
Answer: D.
Accessibility to paved
cycling and running trails is an example of an environmental aspect in evaluating an activity. A fundamental
factor for the success of an activity is to see to it that the activity must
meet all the program standards where it will not result to any destruction or
violation on proper handling of the environment.
In addition, running and cycling have<span> long been recognized as an important activity where safety, mobility and </span>access is the top
priority in planning of this activity.
<span>Virtually the only fuel used by the brain, except during prolonged starvation, when these supplies are too low is glucose </span>
