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Anarel [89]
3 years ago
11

The nervous system isn’t only

Biology
1 answer:
masya89 [10]3 years ago
5 0
What’s the rest of the question
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What enzyme do retroviruses carry to create more DNA?
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D. Reserse transcriptase
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3 years ago
What are the characteristics is associated with innate immunity?
Diano4ka-milaya [45]

Answer: First line of defense, the cells of the innate recognize and respond to pathogens in a generic and fast way and does not confer long-term or protective immunity. Recruitment of immune cells to the sites of infection and inflammation and activation of the complement system cascade.

Explanation:

Innate immunity is a defense system that you were born with and that protects you against all antigens. Innate immunity consists of barriers that prevent harmful materials from entering the body. These barriers form the first line of defense in the immune response. There are also <u>phagocytic cells</u> of the immune system which include: <u>macrophages, neutrophils, and dendritic cells</u>. The membrane receptors of those cells allow it to act on the recognition of danger signals and they are of the type TLR and PRR. These are Antigen Presenting cells which process the pathogens and display their antigens on their surface and takes it to B lymphocytes for the production of antibodies, which is part of the adaptive immune system.

<u>This means that the cells of the innate recognize and respond to pathogens in a generic and fast way</u> and, unlike the adaptive immune response, <u>does not confer long-term or protective immunity to the host.</u>

So, the main functions of the innate immune response include:

  • Recruitment of immune cells to the sites of infection and inflammation, through the production of chemical factors, including specialized chemical mediators, called cytokines.
  • Activation of the complement system cascade to identify bacteria, activate cells and promote clearance of dead cells or antibody complexes.
  • The identification and removal of foreign substances present in organs, tissues, blood and lymph, by leukocytes.
  • The activation of the adaptive immune response through a process known as antigen presentation.
  • Inflammation is one of the first responses of the immune system to infection or irritation. It is stimulated by the release of chemical factors and serves to establish a physical barrier against the spread of infection, and to promote the recovery of some damaged tissue following clearance from pathogens. Chemical factors produced during inflammation (histamine, bradykinin, serotonin, leukotrienes) sensitize pain receptors, cause vasodilation of blood vessels at the scene, and attract phagocytes, especially neutrophils.

5 0
3 years ago
Explain how the routine visit of a 5-year-old patient may be
slega [8]

Answer:

well

Explanation:

the routine visit for a 5 year old would have to bring snacks and hygene stuff but then a 50 year old man you would bring like things that will peek his intreast

7 0
2 years ago
Read 2 more answers
Any alloy of iron mixed with a small amount of carbon to increase its strength or malleability is called _______________.group o
Amiraneli [1.4K]

Any alloy of iron mixed with a small amount of carbon to increase its strength or malleability is called Steel.

<h3>Why we use alloy ?</h3>

The most common reason for alloying is to increase the strength of a metal. This requires that barriers to slip be distributed uniformly throughout the crystalline grains. On the finest scale, this is done by dissolving alloying agents in the metal matrix (a procedure known as solid solution hardening).

It increases tensile strength also. Hardness, hardenability and resistance to wear. It decreases tendency toward scaling and distortion. It increases the rate of carbon-penetration in carburizing.

<h3>How to make Alloy? </h3>

Alloys are made by mixing two or more elements, at least one of which is a metal. This is usually called the primary metal or the base metal, and the name of this metal may also be the name of the alloy.

To know more about Alloy please click here: brainly.com/question/716507

#SPJ4

6 0
2 years ago
(2) Using the image shown on the slide: How do you think the arctic halocline lavers of
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Can I see the image ...
4 0
3 years ago
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