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.
Fibrous joint. Fibrous joints are connected by dense connective tissue, consisting mainly of collagen. These are fixed joints where bones are united by a layer of white fibrous tissue of varying thickness. In the skull the joints between the bones are called sutures. Such immovable joints are also referred to as synarthroses.