Compared to men, women are immunologically <u>stronger </u>and they are <u>more</u> susceptible to lupus & multiple sclerosis.
<h3>What is lupus?</h3>
A chronic (long-lasting) illness called lupus can inflame and hurt any region of your body. Because it is an autoimmune illness, your immune system, which normally fights infections, instead targets healthy tissue.
Most frequently, lupus impacts your:
- Internal Organs, such as the heart and kidneys
<h3>What are the types of lupus?</h3>
Systemic lupus is typically discussed when people discuss lupus. But lupus comes in four different forms:
- SLE, or systemic lupus erythematosus, is the most prevalent type of lupus.
- A type of lupus that just affects the skin is known as cutaneous lupus.
- Drug-induced lupus, a lupus-like condition brought on by some prescription medications
- Neonatal lupus is an uncommon illness that affects newborns of lupus-suffering mothers.
Learn more about lupus
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Chemical factors: This is due to internal stimuli. Changes in the blood such as decrease in O2, increase in CO2 and decrease in PH cause impulse in the carotid artery which stimulates the respiratory centers in the medulla and cause breathing.
Mechanical factors: also called external stimuli. Compression of the fetal chest during delivery forces small amount of lung fluid out of the lungs. This increase in pressure in the chest draws air into the lungs.
Answer:
Our atmosphere (air) is comprised of 78% of nitrogen. However, this nitrogen is in its elementary state (N₂) and therefore is quite inactive, so the plants can not use it directly. Changing the elementary nitrogen into more reactive forms (NH₃, NO₂, HNO₃) is occurring through the process called nitrogen fixation. It is happening via two processes.
First one is physical nitrogen fixation. When some type of atmospheric physical energy (lightning bolt, for example) reacts with N₂, it splits it in two very reactive N atoms, enabling them to react with oxygen in order to form NO₂.
Second process is biological nitrogen fixation. It's done by bacteria, special bacteria living in the soil, able to use elementary nitrogen for its metabolical pathways resulting in production of ammonia, which can be used by plants. It's noteworthy that bacteria are responsible for about 90% of all nitrogen fixation.
Plasma membrane i believe
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<em>An organ has more kinds of specialized cells. </em>
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A tissue consists of a single (specialized) cell type, whilst an organ consists of multiple tissues.</u>
