Is when you breathe in oxygen and exhale carbon dioxide
<h2><u>
Answer:</u></h2>
Anammox (anaerobic ammonium oxidation), which is a reaction that oxidises ammonium to di-nitrogen gas using nitrite as the electron acceptor under anoxic conditions, was an important discovery in the nitrogen cycle.
Saturated fatty acids lack double bonds between the individual carbon atoms, while in unsaturated fatty acids there is at least one double bond in the fatty acid chain. Saturated fats tend to be solid at room temperature and from animal sources, while unsaturated fats are usually liquid and from plant sources :)
Answer:
Respiratory
Explanation:
they all come together and help with breathing and oxygen :)
Answer:
Circulatory would be the answer.
Explanation: