The spinal cord is the continuation of the brainstem, it lies protected within the vertebral column of the spine. A spinal nerve is any of the 31 pairs of nerves that arise from the spinal cord. The spinal nerves are named according to where it emerges and passes through the bones in the spinal vertebrae.
Archive for Anatomy & Function
The kidneys are the major organs that maintain homeostasis (balance) in the body. They maintain balance in electrolytes, acid-base, and fluid in the blood. When the kidneys aren’t working as they should, there is a failure of homeostasis which can result in death if not corrected.
There are 2 different systems that keep our bodies working in a balanced, coordinated way called homeostasis. Our endocrine system uses chemicals called hormones. The endocrine system is made of 9 major glands scattered throughout our body. Together, these glands make dozens of chemical messengers called hormones and release them directly into the blood stream. The endocrine system plays an important part in homeostasis.
The digestive system is an essential to the human body. It helps in break down of the foods we eat into smaller components that can be absorbed by the body for its nourishment. This process is known as digestion. The process of digestion involves grinding of the food, foods movement through the digestive tract, breaking down of larger molecules, absorption of nutrients into the blood and removing waste from the body.
The brain and spinal cord make up the central nervous system. The spinal cord transmits messages that coordinate movement and sensation. The cord is an ovoid shaped column of nerve tissue that extends from the medulla at the underside of the brain down through cavities in the spinal column to the second lumbar vertebrae.