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.
Ask this in the physics area next time please, but turn to someone you trust or if your young an adult, like your parents or your teachers. Maybe even your friends. No matter what age tell someone and if they don't know then get medical help if they can't.
To be sesitive and professional enough toaksk about the sexual history of a person, I should ask the five Ps, whch are:
partners
Prevention of pregnancy
Protection from Sexually tansmitted diseases
Practices and
Past history of any sexually transmitted diseases.
This information will be sufficient in getting the insight of any case like this.
Some murderers leave behind signatures like objects with their victims or certain type of bodily harm.
