<span>The skull protects the brain and the vertebrae protects the spinal cord. The brain and spinal cord are wrapped in three layers of connective tissue called meninges. Between the meninges and the central nervous system tissue is a space filled withcerebrospinal fluid.</span>
That would be the R-value
Fish? Some fish eat algae and algae are plants
Hello There!
This is called the "IRIS"
The iris is the colored part of they eye and it's responsible for focusing light onto the cornea.
He studies geosphere and biosphere.
