Cerebrospinal Fluid
Produced by the choroid plexuses of the brain, the cerebral spinal fluid is contained in the subarachnoid cavity and spinal canal. It is reabsorbed by the arachnoid granulations.
Besides acting as a cushion for the CNS, the cerebral spinal fluid plays a critical part in the immunology of the central nervous system, blood flow in the CNS and autoregulation.
Cell, atom, molecule, electron, proton
The pyloric sphincter is compose of smooth muscle and is located between the pylorus in the stomach and duodenum of the small intestine. In digestion, it serves as a valve controlling the flow of food thus it prevents the contents of small intestine backing up into the stomach.
Answer:
It helps them survive
Explanation:
Mimicry is when animals have forms and coloration that makes them blend in with their environment, which helps them to escape from their predators or approach their prey undetected and thus mimicry helps organisms survive. An example is the stick insect. They look like real sticks in shape and color and even move in a way that resembles a stick movement by the wind. This way they may escape the sharp vision of many insectivorous birds.