<span>Sickle cell anemia is a genetic disease with severe symptoms, including pain and anemia.
The disease is caused by a mutated version of the gene that helps make
hemoglobin — a protein that carries oxygen in red blood cells.</span>
The thoracic region receive sympathetic innervation from the middle and inferior cervical ganglia.
The cervical sympathetic trunk is the portion of the sympathetic trunk located to the left and right of the cervical spine, this trunk extends from the entrance of the thoracic wall to the base of the skull.
- It is made up of 3 ganglia: the superior ganglia made up of the first 3 cervical ganglia; the middle ganglia made up of the 4th cervical ganglion and the inferior ganglia made up of the last 4 ganglia.
- These ganglia are responsible for the sympathetic innervation of the upper extremities, the viscera of the thoracic cavity and that of the organs of the abdominal cavity.
Therefore, we can conclude that the thoracic sympathetic chain is made up of ganglia that innervate the thoracic region.
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different chemical reactions can occur in isolation of each other.
Further explanation
cells can be divided into 2 types according to the presence or absence of the cell nucleus membrane. Cells that do not have a nuclear membrane are called prokaryotic cells. Whereas cells that have cell nuclei are called eukaryotic cells. There are theories of biological evolution and the origin of life that explain the origins of prokaryotic and eukaryotic cell formation.
there is a theory that believes that eukaryotic cells are formed from the prokaryotic cell revolution which continues to grow increasingly complex.
actually the origin of life began in the ocean through the formation of organic compunds from simple compounds, then these compounds will continue to develop into more complex compounds. Simple complex compounds that will form a complex called primordial soup or primordial soup.
The formation of genetic material and cell membranes is believed to be two important steps after the formation of primordial soup and before life. The first genetic material and the first enzyme may be RNA.
Protobion develops into complex forms that contain DNA and can use many raw materials from the environment. Protobion will be replaced with organisms that can make the molecules they need (autotrophs).
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Details
Class: college
Subject: biology
Keywords : eukaryotic, prokaryotic, material
A. arteries and veins.
Just as tubes within the stems and leaves of plants transport water, arteries and veins within animals transport blood with the required nutrients for our bodies.
It is important that the number of objects or events being sampled be large enough to give an accurate estimate for the whole population. Option A
<h3>What is a scientific investigation?</h3>
The term scientific investigation refer to deliberate search for scientific knowledge. We can search for scientific knowledge by the use of experiments. These experiments are able to establish cause and effect relationships.
Thus, in a scientific investigation, it is important that the number of objects or events being sampled be large enough to give an accurate estimate for the whole population. Option A
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