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.
Photosynthesis is the process whereby plant take in Carbon Dioxide and convert it to Oxygen and sugars (for â¦ the plant to grow). Thus photosynthesis converts Carbon Dioxide back into Oxygen so animals can continue breathing relatively good levels of Oxygen.