The sympathetic division of the ans is also called the thoracolumbar division as it arises from the thoracic and lumbar regions of the spinal cord.
<h3>What is the thoracolumbar division?</h3>
The peripheral nervous system's autonomic nervous system controls physiological functions that are carried out automatically, such as digestion, blood pressure, respiration, and sexual desire.
The thoracolumbar division of the autonomic nervous system is the part of the body that is responsible for kicking off the "flight or fight" reaction when the body is under stress.
Therefore, The sympathetic division of the ans is also called the thoracolumbar division as it arises from the thoracic and lumbar regions of the spinal cord.
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The number of chromosomes an organism has.
The pulmonary circuit transports blood to the lungs. The blood is oxygenated there and then carried back to the heart. Gaseous exchange happens in the lungs:
Carbon dioxide diffuses from the blood into the air in the alveoli.
Here are two examples of how nutrients help to maintain homeostasis in our body:
1. The carbohydrates that we take gives us the energy that we need. It serves as our main source of energy, especially for the brain, to function properly. Having the right and sufficient amounts of carbohydrate intake maintains the normal blood glucose in the body.
2. The intake of sufficient vitamins is necessary for the synthesis of collagen that is important for the structure of the blood vessels, bones and ligaments. Specifically, vitamin D helps in maintaining the homeostasis of calcium in the body. This vitamin can be found in food sources or synthesized by the sun.
Answer:
Prokaryotic mRNA do not contain noncoding part or introns because in prokaryotic cell both transcription and translation occur in the nucleus.
Explanation:
Eukaryotic mRNA contain introns which get spliced from the mRNA before the transport of the mRNA into cytoplasm for protein biosynthesis process or translation.
But in case of prokaryotic cell both transcription and translation occur in the nucleus ,so it can be stated that transcription and translation are coupled in prokaryotic cell.
That"s why prokaryotic mRNA do not contain introns in their mRNA.