Arthropods were the first animals to successfully invade land from the sea
The fluid in which organelles of the cell reside. This water can be used to assist in chemical reactions within the cell.
An intramuscular injection is a technique delivering a medication that is deep into the muscles. If intramuscular is administered too high then the efficacy of the vaccine might be reduced as it is not injected in the right site. It might also cause to injure blood vessels so it should be injected in the correct site and depth.
