Economic activity produces consumer goods or provides services. Examples of primary economic activities include these examples: Commercial fishing; Farming - growing crops (arable farming) or animal husbandry (pastoral farming) Quarrying - extracting sand or gravel; Mining of minerals, oil and gas extraction, and production
Meninges. A series of membranous layers of connective tissue that protect the central nervous system (brain and spinal cord). Damage or infection to the meninges, such as in meningitis, can cause serious neurological damage and even death.Mentioned in: Campylobacteriosis, Enterovirus Infections, Shigellosis, West Nile Virus. series of membranous layers of connective tissue that protect the central nervous system (brain and spinal cord). Damage or infection to the meninges, such as in meningitis, can cause serious neurological damage and even death. Mentioned in: Campylobacteriosis, Enterovirus Infections, Shigellosis, West Nile Virus.
There are three layers of meninges around the brain and spinal cord. The outer layer, the dura mater, is tough white fibrous connective tissue. The middle layer of meninges is arachnoid, which resembles a cobweb in appearance, is a thin layer with numerous threadlike strands that attach it to the innermost layer.here are three layers of meninges around the brain and spinal cord. The outer layer, the dura mater, is tough white fibrous connective tissue. The middle layer of meninges is arachnoid, which resembles a cobweb in appearance, is a thin layer with numerous threadlike strands that attach it to the innermost layer.