Blood enters the pulmonary vein with close to 100% of the blinding site for oxygen saturated.
Alfred Wegener is the father of the plate tectonic theory.
Answer:
without amino acids you're body will break down in a way
Explanation:
well, amino acids of proteins help build structure and regulate the body's tissues and organs.
Answer:
31 pairs
Explanation:
Peripheral nervous system composed of neurons outside the brain and spinal cord while the central nervous system is composed of brain and spinal cord. The peripheral nervous system connects the CNS o other parts of the body. The peripheral nervous system may be either autonomic that control the unconscious activities or somatic that control the conscious activities.
Spinal nerves carry the information between spinal cord and body. These neurons are involved in somatosensory information. The divisions of 31 spinal nerves in human body is;
- cervical nerves; 8
- Thoracic nerves; 12
- Lumbar nerves; 5
- Sacral nerves; 5
- Coccygeal nerves; 1
The dorsal and ventral roots connects the spinal nerves to spinal cord and these nerves are formed from combination of nerve fibres. There is an opening between adjacent vertebrae from which spinal nerves originate except the one pair which originate from occipital and atlas bone.