2, 4-7 Although deep intramuscular injection into a large muscle is the preferred parenteral route of administration, promethazineâs product labeling states that it may be given by slow IV push, which is the typical method of administration in most hospitals.
Quick Answer. Plants produce oxygen as a byproduct of photosynthesis, the process that plants and other organisms use to create usable energy. Photosynthesis consists of carbon dioxide and water reacting in the presence of energy from sunlight, which produces glucose and oxygen.
The Last Step of Photosynthesis. The last step of photosynthesis is when you combine all the things I was talking about together and they produce what is called glucose and oxygen. Glucose is sugar produced by plants. I think you all know what oxygen is, but if you don't it is what humans and animals breath.