Answer: 31 pairs of spinal nerves
Explanation:
In the nervous system, bundles of fibres are called nerves.
The spinal nerve carries motor, sensory, and autonomic signals/information from the spinal cord to the brain and other part of the body.
The human body spinal cord consists of 4 regions, and 31 pairs of spinal nerves. The 31 pairs of spinal nerve are distributed one on each side of the vertebral column within the four regions of the spinal cord. The four regions of the spine are the cervical, thoracic, lumbar and sacral regions.
Answer is 31 pairs.
Answer:
Air
Explanation:
Because of the trees, we breath.
The cell membrane is made of a protein layer that is sandwiched between 2 phospolipid layers. It has pores that allow selective passage of substances in and out of the cell.
Each organism corresponds with one another because one organism feeds on another and so on and so forth
Answer:
control group
Explanation:
In manipulative studies, it is necessary to have an experimental group and a control group.