When the level of carbon dioxide in the blood increases, the a) ph of the blood goes up b) receptors in the blood vessels sense the ph change c) medulla sends a signal to slow the breathing rate d) all of these

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

Explain how organisms could be harmed by high levels of salt from roadways?

The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body