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krok68 [10]
3 years ago
6

The immune system protects against foreign substances and even some cancers. Explain how the

Biology
1 answer:
VladimirAG [237]3 years ago
5 0
The immune system fights pathogens with white blood cells. Vaccines contain a weak sample of the virus or pathogen that it is intended to vaccinate, so the immune system is stimulated to fight the virus or pathogen. The immune system responds to the vaccine by fighting against it, and therefore, is prepared to fight the same structure of the pathogen. A severe stage of HIV is AIDS. AIDS does severe damage to the immune system and weakens it. It destroys T-cells that are essential for the immune system and immune response to pathogens.
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<h2>Chemotherapy</h2>

Explanation:

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2 years ago
assess the similarities and differences between the somatic nervous system and the autonomic nervous system
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Similarities and differences are explained below

Explanation:

Differences:

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  • System responses are based on skeletal muscle contraction.

Autonomic nervous system:

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  • It controls glands and internal organs.
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Similarities between  the somatic nervous system and the autonomic nervous system:

Both have  motor pathways

Both the system use nerve impulse

Both the system Weaken Myocytes

Both the system use glucose as an energy source for the muscles that they control

Both the system are controlled by the CNS

Both possess neurons

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4 years ago
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