- The phrenic nerve is derived from the cervical plexus and receives innervation from the C3, C4, and C5 nerve roots. It is the longest branch of the cervical plexus.
Why does phrenic nerve supply diaphragm?
- The C3-C5 spinal nerves in the neck give rise to the phrenic nerve, a mixed motor and sensory nerve.
- The diaphragm, the main muscle of respiration, is exclusively controlled by the nerve, making it essential for breathing.
What organ does this nerve supply?.
- The jejunum receives both intrinsic and extrinsic nerve supply.
- The preganglionic parasympathetic and postganglionic sympathetic branches of the celiac plexus provide the autonomic extrinsic supply.
- These neurons go via branches of the major vessels from the mesentery into the jejunum.
What are the 4 types of nerves?
It is conventional, however, to describe nerve types on the basis of their function: motor, sensory, autonomic or cranial.
- Motor Nerves.
- Sensory Nerves.
- Autonomic Nerves.
- Cranial Nerves.
Learn more about phrenic nerve
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Answer:
Waste products excreted by kidney are uric acid, urea, creatinine and salts.
Explanation:
Kidneys are the bean shaped organs involved in the process of excretion. The nephrons are present in the kidney acts as the main filtration unit of the excretory system.
The urine is formed by the kidney including three main process - glomerular filtration, tubular reabsorption and tubular secretion. The urine contains excess ions, phenols and sulfates. Some amount of uric acid and creatinine are excreted by the kidney.
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Nucleotides are made up of a nitrogenous base, a pentose sugar and a phosphate group :)
Epithelia are continuous sheets of cells which are one or more layers thick, they cover the exterior surfaces of the body and communicate with the outside environment
