Life cycle describes a plant that reprodueces asexually and sexually.
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.
Soil?
The atmosphere?
Air?
I don't understand how you want this question answered
Protection, sensory perception, storage, absorption, sunscreen, dilation, and constriction
